lassitude [ las-i-tood, -tyood ]
1. weariness of body or mind from strain, oppressive climate, etc.; lack of energy; listlessness; languor.
2. a condition of indolent indifference: the pleasant lassitude of the warm summer afternoon.
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Origin: 1525–35; < Latin lassitūdō weariness, equivalent to lass(us) weary + -i--i- + -tūdō-tude
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