| Childish 1. (a.) Of, pertaining to, befitting, or resembling, a child. 2. (a.) Puerile; trifling; weak. Thesaurus Entries arrested, asinine, babish, babyish, backward, beardless, boyish, boylike, calflike, childlike, coltish, decrepit, doddering, doddery, doited, doting, fatuous, foolish, girlish, girllike, immature, inexperienced, infantile, infantine, juvenile, kiddish, maiden, maidenly, moronic, naive, puerile, puplike, puppyish, puppylike, retarded, senile, silly, simple, slow, sophomoric, underdeveloped, undeveloped, unsophisticated, wanting |