FLACCID
soft, flabby, flaccid
(adjective) out of condition; not strong or robust; incapable of exertion or endurance; “he was too soft for the army”; “flabby around the middle”; “flaccid cheeks”
flaccid
(adjective) drooping without elasticity; wanting in stiffness; “a flaccid penis”
Source: WordNet® 3.1
Etymology
Adjective
flaccid (comparative more flaccid, superlative most flaccid)
Flabby.
Soft; floppy.
Lacking energy or vigor.
Antonyms
• erect
• firm
• turgid
Source: Wiktionary
Flac"cid, a. Etym: [L. flaccidus, fr. flaccus flabby: cf. OF.
flaccide.]
Definition: 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 Unabridged Dictionary 1913 Edition