caustic
adjective
- 1
of a substance, especially a strong acid; capable of destroying or eating away by chemical action
- 2
harsh or corrosive in tone
an acerbic tone piercing otherwise flowery prose
a barrage of acid comments
noun
- 1
any chemical substance that burns or destroys living tissue
Also useful for “caustic”:Unscrambler— Rearrange the letters in “caustic”