weak from exhaustion

hanging down (as from exhaustion or weakness)

having branches or flower heads that bend downward; "nodding daffodils"; "the pendulous branches of a weeping willow"; "lilacs with drooping panicles of fragrant flowers"[syn: cernuous ]

adjective

cernuous , enervated , flaccid , lackadaisical , languid , languorous , lethargic , limp , nutant

noun

flaccidity , languor , lethargy

verb

wilt