Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Mirthless \Mirth"less\, a. Without mirth. -- Mirth"less*ness, n.
Douglas Harper's Etymology Dictionary
late 14c., from mirth + -less. Related: Mirthlessly.
Wiktionary
a. Lacking mirth; devoid of joy.
WordNet
adj. lacking mirth [syn: unamused]
Usage examples of "mirthless".
A man with an undershot jaw in which prominent teeth gleamed with the mirthless grin of a shark.
The wind panels cracked and rattled as Sparks attacked again, grinning now with mirthless concentration.
Ilbryn Starym dropped the man a mirthless and absentminded smile and rode on toward the Stars and Sword.
Rudolph's throat, irritated by cheap cigarets, the sound of glasses on the table, once a laugh, guttural and mirthless.
Down in the forest beyond the double fence there was a sudden hideous outcry, shrieks of mirthless laughter rising and falling, sobbing and wailing, taken up and repeated at a dozen points around the camp perimeter, dying away at last in a descending series of chuckles and grunts and agonized moans.
Marcus and Josh stride self-confidently on ahead in their high heels, seemingly indifferent to the mirthless glances of passers-by.
The intent immobility of the spectators, wholly absorbed as they are in the performance of their hieratic ritual, is scarcely that of living things and this tableau vivant might be better termed a nature morte for the mirthless carnival is a celebration of a death.
His head fell back against the wagon wheel, eyes closed, and his chest heaved in silent, mirthless laughter.