The English meanings are not necessarily literal translations. ab extra - from without ab initio - from the beginning absit omen - may there be no ill omen ad absurdum- to the point of absurdity ad finem - to the end, towards the end ad hoc - for this purpose ad infinitum - to infinity ad nauseam - to the point where one becomes disgusted ad valorem - according to the value alma mater - benign mother- applied by old students to their university alter ego - one's second half amor vincit omnia - love conquers all Anno Domini - in the year of our Lord annus mirabilis - year of wonders ante bellum - before the war a priori - based on theory rather than observation aqua vitae - water of life ars longa, vita brevis - art is long, life is short bona fides - in good faith, genuine carpe diem - seize the day, enjoy the present day casus belli - an act justifying war caveat emptor - let the buyer beware de facto - from the fact, actual or possibility de jure - in law, by right dramatis personae - characters of the play errare est humanum - to err is human et tu, Brute! - And you, too, Brutus! (said to be Julius Caesar's last words) exempli gratia - by way of example ex cathedra - with authority; used especially of those pronouncements of the Pope that are considered infallible. ex gratia - as an act of grace ex officio - by virtue of his office favete linguis - favour me with your tongues, i.e. be silent fiat justitia, ruat coelum - let justice be done, though the heavens fall fiat lux - let there be light honoris causa - for the sake of honour, honorary in loco parentis - in the place of a parent in memoriam - in memory, to the memory of in situ - situated in the original or natural position ipse dixit - he himself said it in vino veritas - in wine there is truth lapsus linguae - a slip of the tongue magnum opus - a great work male fide - with bad faith, treacherously memento mori - remember that you must die modus operandi - plan of working persona non grata - unacceptable or unwelcome person post mortem - after death prima facie - on the first view sic transit gloria mundi - so passes away earthly glory sine die - without a day being appointed sine qua non - without which not, an indispensable condition status quo - the state in which things as they are now sub judice - under consideration ubique - everywhere ultra vires - beyond one's powers veni, vidi, vici - I came, I saw, I conquered vice versa - the terms being reversed viva voce - by the living voice, orally vox populi, vox Dei - the voice of the people is the voice of God