This table was compiled from multiple sources on the Internet; in other words, it's guaranteed to be inaccurate. Caveat lector!
| Iacta alea est | The die is cast. |
| Ibidem (ibid.) | In the same place -- usually in bibliographic citations. |
| Id a primo effice recte | Get it right the first time |
| Id certum est quod certum reddi potest | That is certain that can be made certain |
| Id est (i.e.) | That is (to say), abbreviated as "i.e." -- sometimes "in this case," depending on the context. When celebrating this holiday (i.e., Christmas), hang a wreath on your door. It is never equivalent to "e.g.". (see Dictionary.com for an explanation of the difference between i.e. and e.g.) |
| Id est mihi, id non est tibi! | It is mine, not yours! |
| Id imperfectum manet dum confectum erit | It isn't over until it's over |
| Id legi modo hic modo illic. Vero, Latine loqui non est difficilissimum. | I picked it up here and there. Really, Latin isn't all that hard. |
| Id quot circumiret, circumveniat. | What goes around, comes around. |
| Id tibi praebet speciem lepidissimam! | It looks great on you! |
| Idem | The same |
| Idem quod (i.q.) | The same as |
| Iesus nazarenus rex iudaeorum (INRI) | Jesus of Nazareth, King of the Jews |
| Iesus, tanto nomini nullum par elogium | Jesus, for so great a name, no praise is adequate |
| Igni ferroque | By fire and iron -- a phrase describing scorched earth tactics. Also seen as igne atque ferro, ferro ignique, and other variations. |
| Ignis aurum probat, miseria fortes viros | Life is not a bowl of cherries, or, literally, Fire tests gold; adversity tests strong men |
| Ignis fatuus | Foolish fire (will-o-the-wisp) |
| Ignorantia legis neminem excusat | Ignorance of the law excuses no one |
| Ignoratio elenchi | An ignorance of proof |
| Ignotus (ign.) | Unknown |
| Ille dolet vere, qui sine teste dolet | He mourns honestly who mourns without witnesses. (Martialis) |
| Ille mi par esse deo videtur | He seems to me to be equal to a god. (Catullus) |
| Illegitimi non carborundum. | Don't let the bastards wear you down |
| Illiud Latine dici non potest | You can't say that in Latin |
| Illius me paenitet, dux. | Sorry about that, chief. |
| Illud iterum dicere potes! | You can say that again! |
| Illum qui est gravitates magni observe | Pay careful attention to that which is of great importance |
| Imago dei | Image of God -- a religious concept. |
| Imitatio dei | Imitation of God -- a principle, held by several religions, that believers should strive to resemble their god(s). |
| Imitatores, servum pecus! | Imitators, you slavish crowd! (Horace) |
| Imperator/Imperatrix (Imp.) | Emperor/Empress |
| Imperium | Absolute power |
| Imperium et libertas | Empire and liberty. (Cicero) |
| Imperium in imperio | An empire within an empire -- i.e., a group of people who owe utmost fealty to their leader(s), subordinating the interests of the larger empire to the authority of the internal group's leader(s). |
| Imperium sine fine | Empire without end. In Virgil's Aeneid, Jupiter ordered Aeneas to found a city (Rome) from which would come an everlasting, neverending empire, the empire-without-end. |
| Impossibilium nulla obligatio est | Nobody has any obligation to the impossible. (Corpus Iuris Civilis) |
| Imprimatur | It may be printed. An authorization to publish, granted by some censoring authority, originally a Catholic bishop. |
| Imprimis | In first place |
| Imus ad magum Ozi videndum, magum Ozi mirum mirissimum. | We are going to see the wizard, the wonderful wizard of Oz. |
| In absentia | In the absence -- e.g., of a trial carried out in the absence of the accused. |
| In actu | In practice |
| In aere aedificare | Build (castles) in the air. (St. Augustine) |
| In aeternum | For eternity |
| In alio pediculum, in te ricinum non vides | You see a louse on someone else, but not a tick on yourself. (Petronius) |
| In arduis fidelis | Faithful in adversity |
| In articulo mortis | At the moment of death |
| In banco | On the bench |
| In caecus terrae, luscus rex est. | In the land of the blind, the one-eye-man is king. |
| In camera | In a chamber. In private: secretly. |
| In capite | In chief |
| In cauda venenum | In the tail [is the] poison. Watch out for what you don't see |
| In curia | In court |
| In Dei Nomine. | In the name of God |
| In dentibus anticis frustrum magnum spiniciae habes | You have a big piece of spinach in your front teeth |
| In Deo speramus | In God we trust |
| In Deo spes mea | In God my hope |
| In distans | At a distance |
| In dubiis non est agendum | In dubious cases, you should not act |
| In dubio | In doubt |
| In dubio pro reo | In doubt in favor of the accused. If there is a doubt about guiltiness, the judgement has to be in favour of the accused |
| In duplo | In two (copies) |
| In effigie | In (the form of) an image -- as opposed to "in the flesh" or "in person". |
| In esse | In existence |
| In excelsis | In the highest |
| In extenso | In long (form) -- i.e., "in full", "completely", "unabridged." |
| In extremis | In extremity |
| In fidem | To faith -- to the verification of |
| In fieri | Pending |
| In fine (i.f.) | Finally. |
| In flagrante delicto | In flaming crime -- i.e., "caught red-handed." |
| In flore | In bloom. |
| In forma pauperis | In the form of a poor person; in a humble or abject manner |
| In foro | In forum -- in court. |
| In futuro | In the future |
| In gremio legis | In the protection of the law |
| In his ordo est ordinem non servare | In this case the only rule is not obeying any rules |
| In hoc signo vinces | In this sign, you will conquer. (Eusebios) |
| In hunc intuens. | Look at this. |
| In illo tempore | At that time, found often in the Gospel lecture during the Mass. It is used to mark a time in an indetermined past. |
| In infinitum | To infinity; without end |
| In Jehova sors mea, ipse faciet | In God (is) my destiny, He will do it |
| In libris libertas | In books (there is) freedom |
| In limine | On the threshold, at the very outset |
| In loco | At the place -- as e.g., "the water samples were analyzed in loco." |
| In loco parentis | In place of a parent. In the place of a parent. n. regulation or supervision by an administrative body (as at a university) acting in loco parentis. |
| In lumine tuo videbimus lumen. | In your light we will see light. Motto of Ohio Wesleyan University & Columbia University. |
| In magnis et voluisse sat est | To once have wanted is enough in great deeds. (Propertius) |
| In manus tuas commendo spiritum meum | In your hands I commend (i.e., entrust) my spirit, according to Luke 23:46 the last words of Jesus on the Cross. |
| In medias res | Into the middle of things -- by Horace, refers to the literary technique of beginning a narrative in the middle of, or at a late point in, the story, after much action has already taken place. Examples include the Iliad, the Odyssey, and Paradise Lost. Compare ab initio. |
| In medio stat virtus | Virtue stands in the middle. Virtue is in the moderate, not the extreme position. (Horace) |
| In medio tutissimus ibis | In the middle of things you will go most safe. (Ovid) |
| In memoriam | In memory of -- i.e., to remember or honor a deceased person. |
| In necessariis unitas, in dubiis libertas, in omnibus caritas | In necessary things unity, in doubtful things liberty, in all things charity |
| In nomine Domini | In the name of the Lord |
| In nomine patris et filii et spiritus santi | In the name of the Father and of the Son and of the Holy Spirit |
| In nubibus | In the clouds |
| In nuce | In a nutshell. |
| In omnia paratus | Prepared for all things |
| In ovo | In the egg |
| In pace, ut sapiens, aptarit idonea bello | In peace, like a wise man, he appropriately prepares for war |
| In pari materia | Of like kind |
| In partibus infidelium | In the land of the infidels -- infidels here refers to non-Christians. After Islam conquered a big part of the Roman Empire, the corresponding bishoprics didn't disappear, but remained as honorific titles. |
| In parvo | In miniature |
| In pectore | In (my) heart. -- a Cardinal named in secret by the pope. |
| In perpetuum | To all time |
| In personam | Directed towards a particular person. In a lawsuit in which the case is against a specific individual, that person must be served with a summons and complaint to give the court jurisdiction to try the case, and the judgment applies to that person and is called an "in personam judgment." In personam is distinguished from in rem, which applies to property or "all the world" instead of a specific person. This technical distinction is important to determine where to file a lawsuit and how to serve a defendant. In personam means that a judgment can be enforceable against the person wherever he/she is. On the other hand, if the lawsuit is to determine title to property (in rem) then the action must be filed where the property exists and is only enforceable there. |
| In pleno | In full |
| In pontificalibus | In the proper vestments of a pope or cardinal |
| In posse | In possibility |
| In posterum | Till the next day |
| In praesenti | At the present time |
| In principio | In the beginning |
| In propria persona | In person |
| In puris naturalibus | Completely naked |
| In quaestione versare | To be under investigation |
| In re | Refering to |
| In rem | Against the matter (property) |
| In rerum natura | In the nature of things. |
| In saecula saeculorum | For ages of ages forever |
| In saeculo | In the (secular) world -- i.e., outside a monastery, or before death. |
| In salvo | In safety. |
| In scientia veritas in arte honestas | In science truth, in art honour |
| In se | In itself |
| In silico | Not a Latin phrase. In silico refers to an experiment or process performed virtually, as a computer simulation. In silico was coined by superficial analogy with in vitro and in vivo. The Latin word for silicon is silicium, so the correct Latin for "in silicon" (the intended meaning) is in silicio, and this correct version is seen occasionally in scientific literature. In silico, however, has become the dominant term. |
| In silvam ne ligna feras | Don't carry logs into the forest. (Horace) |
| In situ | In place -- in the original place, position, or arrangement. In medical contexts it implies that the condition is "still" in its original place and has not spread. |
| In specie | In kind; (a) in its own form and not in an equivalent (b) in coins and not in paper money |
| In spiritu eius virtus | In His spirit, the strength |
| In spiritu et veritate | In spirit and truth. (Versio Vulgata) |
| In statu nascendi | In the state of being born -- just as something is about to begin. |
| In statu quo | In the same state |
| In terrorem | As a warning; in order to terrify others |
| In totidem verbis | In so many words |
| In toto | In all -- "totally", "completely". |
| In transitu | In passing, on the way |
| In triplo | In three (copies). |
| In umbra, igitur, pugnabimus | In the shadows, therefore, we will fight |
| In usu | In use |
| In usum Delphini | In the manner of the Dauphin -- rare variant of ad usum Delphini. |
| In vacuo | In a vacuum or empty space |
| In veritate | In truth |
| In vinculis etiam audax | In chains yet still bold (free) |
| In vino veritas | In wine is truth. (A drunk person tells the truth) |
| In virtute posita vera felicitas | True happiness is found in virtue |
| In virtute sunt multi ascensus | In excellence there are many degrees. (Cicero) |
| In vitro | In glass -- an experiment or process performed in a non-natural laboratory setting, for example in a test tube. |
| In vivo | In (a) living (organism) -- an experiment or process performed in a living specimen, as opposed to in vitro. |
| Incipit | Begin here |
| Incredibile dictu | Incredible to say |
| Index librorum prohibitorum | List of prohibited books -- a list of books considered heretical by the Catholic Church. |
| Indulgentiam quaeso | I ask your indulgence |
| Infans Jesu invidit assini. | Baby Jesus hates a wise ass. |
| Infinitus est numerus stultorum | Infinite is the number of fools |
| Infra | Below, underneath |
| Infra dignitatem | Beneath one's dignity |
| Ingenio et labore | By natural ability and hard work |
| Inhumanitas omni aetate molesta est. | Inhumanity is harmful in every age. (Cicero) |
| Iniqua nunquam regna perpetuo manent | Stern masters do not reign long. (Seneca Philosophus) |
| Iniuria non excusat iniuriam | One wrong does not justify another |
| Innotesco acta non titulus | By one's actions not one's titles is one known |
| Insanabile cacoethes scribendi | An incurable passion to write. (Juvenal) |
| Insculpsit | He/she engraved it |
| Insipiens | Witless wonder! |
| Insolitos docuere nisus | Showed unusual efforts (Horace, Odes 4.4) |
| Instant (inst.) | Formerly used in formal correspondence to refer to the current month, as opposed to last or next month. An example of usage would be "Thank-you for your letter of the 17th inst." See also ult. and prox. |
| Instrumentum aeri temperando | Air conditioner |
| Integer vitae scelerisque purus | Blameless of life and free from crime |
| Integer vitae scelerisque purus | Untouched by life and free of wickedness -- by Horace, used as a funeral hymn. |
| Integritas | Integrity |
| Intellectum valde amat | Love the intellect strongly. (St. Augustine) |
| Intelligenti pauca | Few words suffice for he who understands |
| Intelligo me intelligere | I understand that I understand. (St. Augustine) |
| Inter alia | Among other things. |
| Inter alios | Amongst other people |
| Inter arma enim silent leges | In times of war, the law falls silent. --Cicero |
| Inter arma silent leges | In time of war, laws are silent |
| Inter caecos regnat strabo | Among blinds the squinting rules. (Erasmus) |
| Inter caesa et porrecta | There's many a slip twixt cup and lip |
| Inter caetera | Among others. Title of a papal bull. |
| Inter canum et lupum | Between a dog and a wolf |
| Inter nos | Between us |
| Inter partes | Made between two parties |
| Inter se | Amongst themselves |
| Inter spem et metum | Between hope and fear |
| Inter vivos | Between the living -- said of property transfers between living persons, as opposed to inheritance; often relevant to tax laws. |
| Interdum feror cupidine partium magnarum europe vincendarum | Sometimes I get this urge to conquer large parts of Europe |
| Interfice errorem, diligere errantem | Kill the sin, love the sinner. (St. Augustine) |
| Interregnum | Period between rules anarchy, lawlessnes |
| Intra fauces terra | In the jaws of the land. a principle for defining territorial seas. |
| Intra legem | Within the law (term used to describe an equitable decision of a court or tribunal that is consistent with the rules of law governing the controversy). As opposed to contra legem. |
| Intra muros | Within the walls -- i.e., "not public"; intramural. |
| Intra vires | Within the power |
| Inventas vitam iuvat excoluisse per artes | Let us improve life through science and art. (Vergil) |
| Ioco optimo delactamur | We are amused by an excellent joke |
| Ipsa qvidem pretivm virtvs sibi | Virtue is its own reward |
| Ipsa scientia potestas est | Knowledge itself is power. (Bacon) |
| Ipse dixit | He himself said it. An assertion made but not proved. |
| Ipsissima verba | The very words themselves -- i.e., "strictly word for word." see verbatim. |
| Ipso facto | By the fact itself. By that very fact or act; as an inevitable result. |
| Ipso iure | By operation of the law |
| Ira Deorum | Wrath of the Gods - Like the vast majority of inhabitants of the ancient world, the Romans practiced pagan rituals, believing it important to achieve a state of Pax Deorum (The Peace of the Gods) instead of Ira Deorum (The Wrath of the Gods). Earthquakes, floods, famine, etc.. |
| Ira furor brevis est | Anger is a brief insanity. (Horace) |
| Ire fortiter quo nemo ante iit | To boldly go where no man has gone before. (Star Trek) |
| Ire ubi volo, insidere ubi possum, volare ubi debeo | Go where I will, roost where I may, fly when I must |
| Isso fede | This stinks |
| Isto pensitaris? | You get paid for this crap? |
| Ita erat quando hic adveni. | It was that way when I got here. |
| Ita est | Yes. / It is so. |
| Ita vero | Thus indeed. A useful phrase, as the Romans had no word for "yes". |
| Ita, pecuniam nobis re vera solunt hoc agere | Yes, they actually pay us money to do this |
| Ita, quid praeterea novi? | So, what else is new? (Gangalius) |
| Ite, missa est | Leave, the mass is finished -- the final words of the Roman Missal (literally "go, it is dismissed", i.e., the congregation is dismissed, or "go, this is the mass", i.e., there is no more mass to be said) |
| Iubilate Deo | Rejoice in God |
| Iunctis viribus | By united efforts |
| Iure divino | By divine law |
| Iure humano | By human law |
| Iustitia omnibus | Justice for all |
