Antonym: mirthless. Similar words: youthful, mouthful, mirth, truthful, slothful, wrathful, faithful, healthful. Meaning: ['mɜrθfʊl /'mɜːθ-] 
adj. 1. full of or showing high-spirited merriment 2. arousing or provoking laughter.
adj. 1. full of or showing high-spirited merriment 2. arousing or provoking laughter. 
Random good picture Not show
1. Slaves, however, may be. and sometimes are mirthful.
2. Mirthful laugh echoed in the big hall.
3. Her funny costume caused much mirthful laughter among the guests.
4. As she spoke, her eyes were mirthful, while her lips pouted.
5. The mirthful ending of the movie delighted all the audience.
6. Listen to the sorrowful songs, watch at the mirthful films.
7. No Merry Andrew, to stir up the multitude with jests, perhaps hundreds of years old, but still effective, by their appeals to the very broadest sources of mirthful sympathy.
More similar words: youthful, mouthful, mirth, truthful, slothful, wrathful, faithful, healthful, faithfully, unfaithful, truthfully, faithfulness, truthfulness, girth, birth, wishful, bashful, watchful, birthday, birthmark, birthstone, birth rate, give birth, reproachful, birthplace, watchfulness, giving birth, reproachfully, birthday gift, wishful thinking.