acid
ac-id
adjective
Sharp, critical, or sarcastic in tone or manner.
"She made an acid remark about his outfit."
adjective
Having a sharp, sour taste, like lemons or vinegar.
"The unripe apples were very acid."
noun
A chemical substance neutralising alkalis, dissolving metals, turning litmus red.
"Sulphuric acid is highly corrosive."
noun
Informal term for LSD, a powerful hallucinogenic drug.
"He dropped acid at the festival."
Thesaurus
Synonyms: acidic, sour, acidulous, acidulent, back breaker, dot, Zen, superman, pane, Elvis, dose, Lucy in the sky with diamonds