flaccid \flac"cid\ (fl[a^]k"s[i^]d or fl[a^]s"s[i^]d), a. [L. flaccidus, fr. flaccus flabby: cf. OF. flaccide.]

Yielding to pressure for want of firmness and stiffness; soft and weak; limber; lax; drooping; flabby; as, a flaccid muscle; flaccid flesh. [1913 Webster]

Religious profession . . . has become flacced. --I. Taylor. -- flac"cid*ly (fl[a^]k"s[i^]d*l[y^] or fl[a^]s"s[i^]d*l[y^]), adv. -- flac"cid*ness, n. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

51 Moby Thesaurus words for "flaccid": anemic, asthenic, bloodless, chicken, cowardly, debilitated, drooping, droopy, dull, effete, emasculated, etiolated, faint, faintish, feeble, flabby, flimsy, floppy, gone, gutless, imbecile, impotent, languid, languorous, lax, limber, limp, listless, loose, lustless, marrowless, nerveless, pithless, pooped, powerless, relaxed, rubbery, sapless, sapped, sinewless, slack, sleazy, soft, spineless, strengthless, unhardened, unnerved, unstrung, weak, weakened, weakly

Source: Moby Thesaurus II by Grady Ward, 1.0
 

flaccid adj
1: lacking in strength or firmness or resilience; "flaccid muscles"; "took his lax hand in hers"; "gave a limp handshake"; "a limp gesture as if waving away all desire to know" G.K.Chesterton; "a slack grip" [syn: lax, limp, slack]
2: lacking firmness or stiffness; "flabby around the middle"; "flaccid cheeks" [syn: flabby]

Source: WordNet (r) 2.0
 

Flaccid \Flac"cid\, a. [L. flaccidus, fr. flaccus flabby: cf. OF. flaccide.]

Yielding to pressure for want of firmness and stiffness; soft and weak; limber; lax; drooping; flabby; as, a flaccid muscle; flaccid flesh.

Religious profession . . . has become flacced. --I. Taylor. -- Flac"cid*ly, adv. -- Flac"cid*ness, n.

Source: Webster's Revised Unabridged Dictionary (1913)