Synonyms for caustic

Noun

1. caustic, compound, chemical compound

usage: any chemical substance that burns or destroys living tissue

Adjective

1. acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, venomous, virulent, vitriolic, unpleasant (vs. pleasant)

usage: 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"

2. caustic, corrosive, erosive, vitriolic, destructive (vs. constructive)

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