a fortiori (la)

used to express a conclusion for which there is stronger evidence than for a previously accepted one

ab ovo (la)

from the very beginning; from the egg

abaft (en)

(adverb) toward or at the stern; aft / (preposition) to the rear of / (preposition) toward the stern from

abattoir (en)

(noun) slaughterhouse

abeyance (en)

(noun) a lapse in succession during which there is no person in whom a title is vested / (noun) temporary inactivity; suspension

Abitur (en)

university-preparatory school leaving qualification in Germany, Lithuania, Finland, and Estonia (similar to A-levels)

abjection (en)

(noun) a low or downcast state; degradation / (noun) the act of making abject; humbling rejection

abjure (en)

(verb) to renounce upon oath / (verb) to reject solemnly / (verb) to abstain from; avoid

ablation (en)

the surgical removal of body tissue OR the erosion of rock, typically by wind action

ablutions (en)

(noun) the washing of one's body or part of it (as in a religious rite) / (noun) the act or action of bathing / (noun) a building housing bathing and toilet facilities on a military base

abluvion (en)

(noun, obsolete, rare) that which is washed off.

abnegation (en)

(noun) the act of renouncing or rejecting something; self-denial

abreaction (en)

(noun) the expression and emotional discharge of unconscious material (as a repressed idea or emotion) by verbalization especially in the presence of a therapist

abrogation (en)

the repeal or abolition of a law, right, or agreement

abscissa (en)

(mathematics, in a system of coordinates) the distance from a point to the vertical or y -axis, measured parallel to the horizontal or x -axis; the x -coordinate

abstemious (en)

(adjective) marked by restraint especially in the consumption of food or alcohol / (adjective) reflecting such restraint

abstruse (en)

difficult to understand; obscure

abysm (en)

(noun) abyss

accession (en)

a coming to; the act of acceding and becoming joined; as, a king's accession to a confederacy

acclivated (en)

upward sloping

acedia (en)

(Greek) spiritual or mental sloth; apathy; a state of listlessness or torpor

acephalic (en)

(adj) without a head

actantial (en)

(in structural semantics) a model or narrative schema used to analyze the action that takes place in a story, whether real or fictional; developed in 1966 by semiotician Algirdas Julien Greimas

ad libitum (la)

"at one's pleasure"; more formal term for ad-lib

adduce (en)

(verb) to offer as example, reason, or proof in discussion or analysis