Sour
Part of speech: noun
Definition: the sensation of a sour taste a drink made with whiskey, lemon or lime juice and sugar
Part of speech: verb
Definition: To make or become sour To become disenchanted
Part of speech: adjective
Definition: having an acid, sharp or tangy taste made rancid by fermentation etc tasting or smelling rancid peevish or bad-tempered excessively acid and thus infertile containing excess sulphur
Example sentence: There's a period of life when we swallow a knowledge of ourselves and it becomes either good or sour inside.
Acetous
Part of speech: adjective
Definition: Having a sour taste; sour; acid.Causing, or connected with, acetification; as, acetous fermentation.