acid (
http://definr.com/acid)
adj 1: harsh or corrosive in tone; "an acerbic tone piercing
otherwise flowery prose"; "a barrage of acid
comments"; "her acrid remarks make her many enemies";
"bitter words"; "blistering criticism"; "caustic jokes
about political assassination, talk-show hosts and
medical ethics"; "a sulfurous denunciation" [syn:
acerb,
acerbic,
acrid,
bitter,
blistering,
caustic,
sulfurous,
sulphurous,
venomous,
virulent,
vitriolic]
2: (chemistry) containing acid; "an acid taste"
n 1: any of various water-soluble compounds having a sour taste
and capable of turning litmus red and reacting with a
base to form a salt
2: a powerful hallucinogenic drug [syn: {lysergic acid
diethylamide},
LSD]