anemic, asthenic, bloodless, chicken, cowardly, debilitated, drooping, droopy, dull, effete, etiolated, faint, faintish, feeble, flabby, flaccid, floppy, gone, gutless, imbecile, impotent, languid, languorous, limber, limp, listless, lustless, marrowless, nerveless, pithless, pooped, powerless, rubbery, sapless, sinewless, slack, soft, spineless, unhardened, unnerved, unstrung, weak, weakly