acid

/ˈæs.ɪd/
/ˈæs.ɪd/

noun

  1. A sour substance.

  2. Any of several classes of compound having the following properties:

  3. Lysergic acid diethylamide (LSD)

Antonyms: alkali, base

adjective

  1. Sour, sharp, or biting to the taste; tart; having the taste of vinegar.

    "acid fruits or liquors"

  2. Sour-tempered.

  3. Of or pertaining to an acid; acidic.

  4. Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as in acid house, acid jazz, acid rock.

Synonyms: acidic
Antonyms: alkaline, base