adj. 25B6; adjective AMUSING, funny, comic, comical, entertaining, diverting, witty, jocular, light-hearted, tongue-in-cheek, wry; hilarious, uproarious, riotous, zany, farcical, droll; informal priceless, side-splitting, rib-tickling, a scream, a hoot, a barrel of laughs, waggish; informal, dated killing.
serious.