Found 2 items, similar to mirthfulness.
English → English (WordNet) Definition: mirthfulness mirthfulness n : great merriment [syn: hilarity, mirth, glee, gleefulness]
English → English (gcide) Definition: Mirthfulness Mirthful \Mirth"ful\, a. 1. Full of mirth or merriment; merry; as, mirthful children. [1913 Webster] 2. Indicating or inspiring mirth; as, a mirthful face. [1913 Webster] Mirthful, comic shows. --Shak. [1913 Webster] -- Mirth"ful*ly, adv. -- Mirth"ful*ness, n. [1913 Webster]