| a fortiori | with yet stronger reason |
| a posteriori | derived by reasoning from observed facts |
| a priori | from what was before |
| ab incunablis | from the origin |
| ab initio | from the beginning |
| ab urbe condita (A.U.C.) | from the founding of the city |
| ad absurdum | to the point of absurdity |
| ad hoc | for this special purpose |
| ad hominem | an argument made personally against an opponent, rather than against an issue |
| ad infinitum | without limit |
| ad libitum (ad lib.) | according to pleasure |
| ad litem | for the suit |
| ad locum (ad loc.) | at the place |
| ad nauseam | to a disgusting extent |
| ad valorem | according to value |
| addenda | things to be added |
| advocatus diaboli | devil's advocate |
| alea iacta est | the die is cast |
| alter ego | other self |
| amicus curiae | friend of the court |
| anno domini (A.D.) | in the year of the Lord |
| annus horribilis | a terrible year |
| annus mirabilis | a wonderful year |
| ante bellum | before the war |
| ante meridiem (A.M.) | before midday |
| ars gratia artis | art for art's sake |
| aude sapere | dare know |
| carpe diem | seize the day |
| casus belli | the circumstances justifying war |
| cave canem | beware of the dog |
| caveat emptor | let the buyer beware |
| caveat lector | let the reader beware |
| ceteris paribus | other things being equal |
| circa (c.) | about |
| cogito, ergo sum | I think, therefore I am |
| compos mentis | of sound mind |
| confer (cf.) | compare |
| corpus delicti | the facts of a crime |
| corrigenda | a list of things to be corrected |
| cui bono? | who benefits? |
| cum grano salis | with a grain of salt |
| curriculum vitae | a summary of a person's career |
| de facto | in fact |
| de gustibus non est disputandum | there is no accounting for taste |
| de jure | by right |
| dele | remove |
| de minimis | with respect to trifles |
| de novo | anew |
| deo gratias | thanks be to God |
| deo volente | God willing |
| deus ex machina | a contrived event that resolves a problem at the last moment |
| dictum sapienti sat est | a word to the wise is sufficient |
| dramatis personae | the list of characters in a play |
| dulce et decorum est pro patria mori | it is sweet and proper to die for one's country |
| dum spiro, spero | as long as I breathe, I hope |
| dura lex, sed lex | the law is harsh, but it is the law |
| et alia | and other things |
| et alii ( et al.) | and others |
| et cetera (etc.) | and so on |
| ex libris | from the library of |
| ex nihilo | out of nothing |
| ex officio | by virtue of his office |
| ex parte | by only one party to a dispute in the absence of the other |
| ex post facto | retrospectively |
| exempli gratia (e.g.) | for example |
| floruit | he flourished |
| gaudeamus igitur | so let us rejoice |
| habeas corpus | you may have the body |
| hic jacet | here lies |
| honoris causa | with all due respect |
| ibidem (ibid.) | in the same place |
| id est (i.e.) | that is |
| idem | the same |
| imprimatur | let it be printed |
| in absentia | while absent |
| in camera | in private session |
| in casu | in this case |
| in curia | in court |
| in extremis | near death |
| in flagrante delicto | in the very act of committing an offence |
| in loco parentis | in place of a parent |
| in medias res | in the midst of things |
| in memoriam | in memory |
| in re | in the matter of |
| in situ | in its original situation |
| in toto | entirely |
| in vino veritas | in wine there is truth |
| infra | below or on a later page |
| inter alia | among other things |
| inter se | among themselves |
| ipso facto | by that very fact |
| loco citato (loc. cit.) | in the passage just quoted |
| magna cum laude | with great honour or academic distinction |
| magnum opus | great work |
| me judice | I being the judge; in my opinion |
| mea culpa | by my fault |
| memento mori | remember that you have to die |
| mens rea | guilty mind |
| mens sana in corpore sano | a sound mind in a sound body |
| mirabile dictu | wonderful to relate |
| modus operandi | the manner of working |
| multum in parvo | much in a small compass |
| mutatis mutandis | the necessary changes being made |
| ne plus ultra | the highest standard of excellence |
| nihil obstat | nothing stands in the way |
| nil desperandum | there is no cause for despair |
| nolens volens | whether one likes it or not; willing or unwilling |
| nolle prosequi | to be unwilling to prosecute |
| non compos mentis | insane |
| non sequitur | it does not follow |
| noscitur a sociis | the meaning of a word can be known from the context |
| nota bene (N.B.) | note well |
| o tempora, o mores! | oh, the times! oh, the morals! |
| obiter dictum | a saying by the way |
| omnia vincit amor | love conquers all |
| opere citato (op. cit.) | in the work just quoted |
| pari passu | equally |
| passim | throughout |
| pax vobiscum | peace be with you |
| per ardua ad astra | through difficulties to the stars |
| per capita | by the head |
| per centum | per hundred |
| per diem | per day |
| per mensem | per month |
| per omnia saecula saeculorum | for ever and ever |
| per se | taken alone |
| persona non grata | a non-acceptable person |
| post hoc ergo propter hoc | after this, therefore because of this |
| post meridiem (P.M.) | after midday |
| post mortem | after death |
| prima facie | on a first view |
| primus inter pares | first among equals |
| pro bono publico | in the public good |
| pro bono | done without charge in the public interest |
| pro forma | for the sake of form |
| pro hac vice | for this occasion |
| pro rata | according to the rate |
| pro se | on one's own behalf |
| pro tempore (pro. tem.) | for the time being |
| quid pro quo | something for something |
| quis custodiet ipsos custodes? | who is guarding the guards? |
| quo vadis? | where are you going? |
| quod erat demonstrandum (Q.E.D.) | which was to be proved |
| quod erat faciendum (Q.E.F.) | which was to be done |
| quod vide (q.v.) | which see |
| reductio ad absurdum | reduction to the absurd |
| requiescat in pace (R.I.P.) | rest in peace |
| res ipsa loquitur | the thing speaks for itself |
| salve | hail; welcome |
| scilicet (sc.) | namely |
| semper fidelis | always faithful |
| senatus populusque Romanus (S.P.Q.R. ) | the Senate and the people of Rome |
| sensu stricto | in a narrow or strict sense |
| si vis pacem, para bellum | if you want peace, prepare for war |
| sic | thus |
| sic transit gloria mundi | thus passes the glory of the world |
| silentium est aureum | silence is golden |
| sine die | without a fixed day |
| sine qua non | an indispensable condition |
| status quo | the existing condition |
| stet | let it stand |
| sub judice | before a court |
| sub rosa | in confidence |
| sub verbo | under the word |
| sui generis | of its own kind |
| supra | above or on an earlier page |
| suum cuique | to each his own |
| tabula rasa | a clean slate; an opportunity to start from the beginning |
| tempus fugit | time flies |
| terra firma | dry land |
| terra incognita | unknown land |
| vade mecum | a constant companion |
| vale | farewell |
| veni, vidi, vici | I came, I saw, I conquered |
| verbatim | exactly as said |
| verbum sat sapienti | a word to the wise is sufficient |
| versus | against |
| vice versa | the order being reversed |
| vide | see |
| videlicet (viz.) | namely |
| vox populi | voice of the people |
