acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolic(adj)

harsh or corrosive in tone

"an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"

caustic, corrosive, erosive, vitriolic, mordant(adj)

of a substance, especially a strong acid; capable of destroying or eating away by chemical action

vitriolic(Adjective)

of, derived from, or similar to a vitriol

vitriolic(Adjective)

bitterly scathing; caustic: vitriolic criticism

vitriolic(Adjective)

: Of or pertaining to vitriol; derived from, or resembling, vitriol; vitriolous; as, a vitriolic taste.

Vitriolic(adj)

of or pertaining to vitriol; derived from, or resembling, vitriol; vitriolous; as, a vitriolic taste. Cf. Vitriol