flaccid
Concise Oxford English Dictionary © 2008 Oxford University Press:
flaccid /ˈflasɪd, ˈflaksɪd/
▶adjective soft and limp.
– derivatives
flaccidity /fləkˈsɪdɪti, fləˈsɪd-/ noun,
flaccidly adverb.
flaccidity /fləkˈsɪdɪti, fləˈsɪd-/ noun,
flaccidly adverb.
– origin C17: from Fr. flaccide or L. flaccidus, from flaccus ‘flabby’.
'flaccid' also found in these Oxford entries:

