2 definitions found From WordNet (r) 2.0 [wn]: acerb adjective 1: sour or bitter in taste [syn: {acerbic}, {astringent}, {sharp}] 2: 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" [syn: {acerbic}, {acid}, {acrid}, {bitter}, {blistering}, {caustic}, {sulfurous}, {sulphurous}, {venomous}, {virulent}, {vitriolic}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Acerb \A*cerb"\, adjective [L. acerbus, fr. acer sharp: cf. F. acerbe. See {Acrid}.] Sour, bitter, and harsh to the taste, as unripe fruit; sharp and harsh.

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