KEY: Earnest.
SYN: Eager, serious, intent, determined, strenuous, solemn, grave, warm, fervent, intense, ardent.
ANT: Indifferent, idle, playful, desultory, irresolute, unearnest, sportive, jesting, flippant.
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KEY: Ease.
SYN: Enjoyment, comfort, rest, repose, tranquility, refreshment, relief, quiet, contentment, satisfaction, {[favx'lity]?}, readiness.
ANT: Trouble, annoyance, vexation, disquiet, difficulty, awkwardness.
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KEY: Easy.
SYN: Quiet, comfortable, manageable, indulgent, facile, lenient, unconstrained, gentle, not difficult, unconcerned, self-possessed.