PITHY Meaning of PITHY in English ■ adjective ( pithier , pithiest ) 1》 (of a fruit or plant) containing much pith. 2》 (of language or style) terse and vigorously expressive.Derivativespithily adverbpithiness noun Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004