1. acid - Noun
2. acid - Adjective
3. acid - Adjective Satellite
Sour, sharp, or biting to the taste; tart; having the taste of vinegar: as, acid fruits or liquors. Also fig.: Sour-tempered.
Of or pertaining to an acid; as, acid reaction.
One of a class of compounds, generally but not always distinguished by their sour taste, solubility in water, and reddening of vegetable blue or violet colors. They are also characterized by the power of destroying the distinctive properties of alkalies or bases, combining with them to form salts, at the same time losing their own peculiar properties. They all contain hydrogen, united with a more negative element or radical, either alone, or more generally with oxygen, and take their names from this negative element or radical. Those which contain no oxygen are sometimes called hydracids in distinction from the others which are called oxygen acids or oxacids.
Source: Webster's dictionaryan acerbic tone piercing otherwise flowery prose Source: Internet
a barrage of acid comments Source: Internet
her acrid remarks make her many enemies Source: Internet
bitter words Source: Internet
blistering criticism Source: Internet
caustic jokes about political assassination, talk-show hosts and medical ethics Source: Internet