Expressions, mottos, and abbreviations

Ad astra per aspera

Ad astra per aspera

"to the stars through difficulties"

Carpe diem

"seize the day"

Et cetera

"and so on"

Ad hoc

"for this purpose"

Caveat emptor

"let the buyer beware"

In situ

"in its original place"

Per se

"intrinsically; by itself"

Quid pro quo

"something for something"

Tempus fugit

"time flies"

Veni, vidi, vici

"I came, I saw, I conquered"

E pluribus unum

"out of many, one"

Modus operandi

"mode of operation"

Non sequitur

"it does not follow"

Post hoc ergo propter hoc

"after this, therefore because of this"

Persona non grata

"an unwelcome person"

Sub judice

"under judgment"

Urbi et Orbi

"to the city and to the world"

Annuit Coeptis

"He (God) has favored our undertakings" (motto on the reverse side of the Great Seal of the United States)

Sic transit gloria mundi

"Thus passes the glory of the world"

Ego cogito, ergo sum

"I think, therefore I am"

etc.

et cetera, meaning "and so forth"

i.e.

id est, meaning "that is"

e.g.

exempli gratia, meaning "for example"

vs.

versus, meaning "against"

ibid.

ibidem, meaning "in the same place"

et al.

et alii (masculine), et aliae (feminine), or et alia (neuter), meaning "and others"

ad hoc

for this specific purpose

ad hominem

directed at a person rather than the issue at hand

ad infinitum

to infinity; endlessly

ad interim

for the meantime

cum laude

with honor or distinction

magna cum laude

with great honor or distinction

summa cum laude

with highest honor or distinction

sic

thus; used to indicate a quoted word or phrase is spelled or expressed exactly as it was in the original source, even if it appears to be incorrect or nonsensical

a.m.

ante meridiem, meaning "before noon"

p.m.

post meridiem, meaning "after noon"

N.B.

nota bene, meaning "note well"

Q.E.D.

quod erat demonstrandum, meaning "which was to be demonstrated"

R.I.P.

requiescat in pace, meaning "rest in peace"

S.P.Q.R.

Senatus Populusque Romanus, meaning "The Senate and People of Rome"

Veni, vidi, vici

I came, I saw, I conquered (Julius Caesar)

Per annum

For each year/per year

Per Diem

For each day/per day

A.D., Anno Domini

In the year of our Lord

A.U.C. (ab urbe condita)

from the founding of the city