ACERBIC Meaning of ACERBIC in English adjective 1.Synonyms: sour 1, acerb, acetose, acid, acidulous, dry, tart 2.Synonyms: sarcastic , acerb, archilochian, caustic, corrosive, ||sarky Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003