pithyPronunciation: /ˈpɪθi/Translate pithy | into German | into Italian | into Spanish Definition of pithy adjective (pithier, pithiest) 1(of a fruit or plant) containing much pith. 2(of language or style) terse and vigorously expressive:his characteristically pithy commentsDerivatives pithily adverb pithiness noun pithy in other Oxford dictionaries Definition of pithy in the US English dictionary