Adjective unplayful has 1 sense
- unplayful, serious, sober - completely lacking in playfulness
Antonyms: playful, coltish, frolicsome, frolicky, rollicking, sportive, devilish, rascally, roguish, elfin, elfish, elvish, impish, implike, mischievous, pixilated, prankish, puckish, kittenish, frisky, mocking, teasing, quizzical
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