PETULANT Meaning of PETULANT in English [ 'pɛtjʊl(ə)nt ]■ adjective childishly sulky or bad-tempered.Derivativespetulance noun~ly adverb OriginC16 (in the sense 'immodest'): from Fr. pétulant , from L. ~- 'impudent'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004