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.

Fifty years ago, flaccid paralysis was all to commonly
caused by poliomyelitis.

Dr Bill, do you use the modern /'flasId/ pronunciation or the older /'flaksId/ one.

I was taught "flaksid".

I learned it as "flass-id," in the phrase "flaccid paralysis." Not a very pleasant image and therefore impossible to forget.