abysmal
very bad
accretion
growth in size or increase in amount
accrue
to accumulate; grow by additions
adamant
uncompromising, unyielding
adjunct
something added, attached or joined
admonish
to caution or reprimand
adulterate
to corrupt or make impure
aesthetic
relating to beauty or art
affected
pretentious, phony
affinity
fondness; liking; similarity