Foreign ExpressionLanguageMeaningExample Sentence (Context Clue)
ad hocLatinfor a specific purposeThe committee was formed ad hoc to solve the sudden budget issue.
bona fideLatingenuine, realShe made a bona fide effort to complete her project honestly.
déjà vuFrenchfeeling of having seen beforeWalking into the house gave me a strange sense of déjà vu.
faux pasFrenchsocial mistakeForgetting the guest’s name was an embarrassing faux pas.
vice versaLatinthe other way aroundShe helps him, and vice versa, he helps her too.
per capitaLatinper personThe country’s income per capita is higher this year.
alma materLatinschool or university one graduated fromHarvard is his alma mater, where he studied law.
RSVPFrenchplease respondDon’t forget to RSVP to the wedding invitation.
pro bonoLatinfor free, for the public goodThe lawyer worked pro bono for poor clients.
status quoLatinthe current stateThey wanted to keep the status quo instead of making changes.
c’est la vieFrenchthat’s lifeWe lost the game, but c’est la vie!
coup d’étatFrenchoverthrow of governmentThe sudden coup d’état shocked the nation.
per diemLatindaily allowanceThe employees receive a per diem for travel.
tête-à-têteFrenchprivate conversationThey had a quiet tête-à-tête in the garden.
ad infinitumLatinendlesslyThe teacher repeated the rules ad infinitum.
carte blancheFrenchfull freedomThe manager gave him carte blanche to design the project.
prima donnaItaliana self-centered personShe acted like a prima donna during the rehearsal.
esprit de corpsFrenchteam spiritThe soldiers showed strong esprit de corps.
lingua francaItaliancommon languageEnglish is the lingua franca of international business.
alter egoLatinanother selfClark Kent is the alter ego of Superman.
enfant terribleFrenchshocking or unconventional personThe young artist became an enfant terrible in the art world.
habeas corpusLatinlegal right to appear before a judgeThe prisoner filed a habeas corpus petition.
joie de vivreFrenchjoy of livingHer smile showed her joie de vivre.
coup de grâceFrenchfinal blowThe last goal was the coup de grâce for the losing team.
mea culpaLatinmy faultHe admitted the mistake by saying, mea culpa.
modus operandiLatinway of workingThe thief’s modus operandi was always the same.
laissez-faireFrenchpolicy of non-interferenceThe government followed a laissez-faire approach to trade.
persona non grataLatinunwelcome personThe diplomat was declared persona non grata.
terra firmaLatinsolid groundAfter the stormy sea, they were happy to reach terra firma.
au revoirFrenchgoodbyeShe waved and said, au revoir!
in loco parentisLatinin place of parentsTeachers act in loco parentis during school hours.
vis-à-visFrenchface-to-face / in relation toWe discussed the new policy vis-à-vis employee rights.
et cetera (etc.)Latinand so onPlease bring paper, pens, rulers, et cetera.
caveat emptorLatinlet the buyer bewareThe car was sold as-is, caveat emptor.
espritFrenchwitHis speech was full of charm and esprit.
nom de plumeFrenchpen nameMark Twain was the nom de plume of Samuel Clemens.
au faitFrenchfamiliar withHe is au fait with the latest technology.
quid pro quoLatinsomething for somethingThe deal was a simple quid pro quo: help for help.
nouveau richeFrenchnewly richThe nouveau riche often show off their wealth.
coup de mainFrencha quick attack or helpHe gave us a coup de main in finishing the work.
ad nauseamLatinto a sickening degreeHe explained the rules ad nauseam.
tabula rasaLatinblank slateA child’s mind is often seen as a tabula rasa.
tempus fugitLatintime fliesIt’s already midnight—tempus fugit!
laissez-passerFrencha permit or passSoldiers were allowed through with a laissez-passer.
enfant gâtéFrenchspoiled childHe behaved like an enfant gâté.
ex officioLatinby virtue of officeThe principal is an ex officio member of the committee.
carpe diemLatinseize the dayHe lived by the motto carpe diem.
en routeFrenchon the wayWe are en route to Paris now.
in totoLatintotallyThe proposal was accepted in toto.
deus ex machinaLatinunexpected power saving a situationThe novel ended with a deus ex machina
Carpe diemLatinShe decided to carpe diem and book the trip without hesitation.Seize the day
Alma materLatinHe visited his alma mater to give a guest lecture.The school or college one graduated from
Bona fideLatinHe presented a bona fide certificate to prove his identity.Genuine; in good faith
Alter egoLatinClark Kent is the alter ego of Superman.Second self
Exempli gratia (e.g.)LatinUse an adverb, e.g., quickly or slowly.For example
Id est (i.e.)LatinHe is a polyglot, i.e., he speaks many languages.That is
Vice versaLatinShe helps me and I help her, vice versa.The other way around
In vino veritasLatinHe spoke freely after a drink—in vino veritas.In wine, there is truth
Tabula rasaLatinThe new policy gave everyone a tabula rasa, a fresh start.Blank slate
Terra firmaLatinAfter weeks at sea, they were glad to be on terra firma.Solid ground
Vox populiLatinThe election reflected the vox populi.Voice of the people
Status quoLatinShe wanted to maintain the status quo at work.Existing state
SubpoenaLatinHe received a subpoena to appear in court.Legal order to attend
Persona non grataLatinAfter the scandal, he became persona non grata.Unwelcome person
Caveat emptorLatinShe bought the car without inspection—caveat emptor.Let the buyer beware
Modus operandiLatinThe thief’s modus operandi was always the same.Method of working
Sine qua nonLatinHard work is the sine qua non of success.Essential condition
Pro bonoLatinThe lawyer worked pro bono for the poor.Without charge
Habeas corpusLatinHe filed a habeas corpus petition for release.Legal right against unlawful detention
Mea culpaLatinHe admitted his mistake by saying, mea culpa.My fault
Et cetera (etc.)LatinPack pencils, pens, erasers, etc.And so on
Curriculum vitae (CV)LatinShe sent her curriculum vitae to apply for the job.Resume
De factoLatinHe is the de facto leader though not elected.In reality
De jureLatinThe king was de jure ruler but had no power.By law
Ipso factoLatinIf it rains, ipso facto, the match will be canceled.By that fact itself
Quid pro quoLatinIt was a quid pro quo—help for help.Something for something
Carpe noctemLatinStudents celebrated with carpe noctem—seize the night!Enjoy the night
In totoLatinThe project was rejected in toto.As a whole
Lapsus linguaeLatinHe made a lapsus linguae and said the wrong word.Slip of the tongue
Magnum opusLatinThe novel was his magnum opus.Greatest work
Nolo contendereLatinThe accused pleaded nolo contendere in court.No contest
Ad infinitumLatinThe debate went on ad infinitum.Forever, endlessly
Post mortemLatinA post mortem revealed the cause of death.After death examination
In loco parentisLatinTeachers act in loco parentis during school hours.In place of parents
Annus mirabilisLatin2020 was no annus mirabilis.Wonderful year
Annus horribilisLatinFor many, 2020 was an annus horribilis.Horrible year
Deo gratiasLatinThe monk said, Deo gratias, after the meal.Thanks be to God
De gustibus non est disputandumLatinHe loves pineapple pizza—de gustibus non est disputandum.In matters of taste, there is no dispute
Per diemLatinHe was given a per diem allowance for travel.Daily allowance
Ad hocLatinThey formed an ad hoc committee for the event.For a specific purpose
Ex officioLatinAs principal, she was ex officio chairperson.By virtue of office
Inter aliaLatinHe mentioned, inter alia, his hobbies.Among other things
De minimisLatinThe mistake was too small—de minimis.Insignificant
Non sequiturLatinHis response was a non sequitur.Illogical statement
Prima facieLatinThe evidence was prima facie convincing.At first glance
Nota bene (N.B.)LatinN.B.: Submit homework on time.Note well
Pax RomanaLatinThe empire enjoyed Pax Romana for two centuries.Roman peace
In situLatinThe fossils were left in situ.In the original place
Ad hominemLatinHis argument turned into an ad hominem attack.Personal attack
Ad nauseamLatinThe point was repeated ad nauseam.To a sickening extent

let’s practice!