abrasive
irritating
abbreviate
to shorten
abridge
to reduce
absolve
to free from guilt
abstain
to hold back
accentuate
to emphasize
acrimonious
harsh
adaptable
able to be changed (to be suitable for a new purpose)
adulation
extreme admiration
adversary
an enemy
adversity
misfortune
aesthetic
relating to art or beauty
affected
artificial
aggressive
forceful, energetic and attacking
alacrity
speed
allege
to state without proof
alleviate
to make less
ambiguous
having two or more possible meanings
ambivalent
uncertain
amiable
friendly
amicable
friendly
amplify
increase
anachronistic
out of the proper time
anarchy
absence of law or order