lassitude
0 antonyms and opposites of lassitude, grouped by meaning.
Noun — Lethargy or lack of energy; fatigue, languor, listlessness
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Etymology
Borrowed from French lassitude, from Latin lassitūdō (“faintness, weariness”), from lassus (“faint, weary”), perhaps for *ladtus, and thus akin to English late.
Full origin of lassitude →