Definition of "mirthlessness" []

• The state or condition of being mirthless. (noun)

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• "Mean Things: mirthlessness.anhedonia. cyberleeches, as promised. man-eating plants. more giant arthropods."
• "But now there was the same sort of mirthlessness that was in his own smile."
• "He laughed with a harsh mirthlessness that made her quiver."