harlequin(noun, adjective, verb) adjective1. brightly coloured, especially in a pattern like that of a harlequin clown's clothes2. Of a yellowish-green noun1. a clown or buffoon (after the Harlequin character in the commedia dell'arte)Definition categories: person, buffoon, clown, goof, goofballSentences with harlequin as a noun:- harlequin colour: verb1. variegate with spots or marks- His face was harlequined with patchesDefinition categories: change, cloud, dapple, mottle