| Mirthful 1. (a.) Full of mirth or merriment; merry; as, mirthful children. 2. (a.) Indicating or inspiring mirth; as, a mirthful face. Thesaurus Entries blithe, blithesome, buxom, festive, frivolous, gay, gleeful, hilarious, jocular, jocund, jolly, jovial, joyful, joyous, laughter-loving, lighthearted, merry, mirth-loving, rejoicing, risible |