Yielding to the touch, and easily moved or shaken; hanging loose by its own weight.
lacking firmness or stiffness; "flabby around the middle"; "flaccid cheeks"
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"
out of condition; not strong or robust; incapable of exertion or endurance