is similar to
hanging down (as from exhaustion or weakness)
is similar to
lacking in strength or firmness or resilience
"gave a limp handshake"; "a limp gesture as if waving away all desire to know" G.K.Chesterton; "a slack grip"
is similar to
hanging limply
"a spaniel with floppy ears"
is similar to
not tense or taut
"the old man's skin hung loose and grey"; "slack and wrinkled skin"; "slack sails"; "a slack rope"
is similar to
loosely articulated or constructed
"a loose-jointed paragraph"
is similar to
free from tension
see also
not tight; not closely constrained or constricted or constricting
"loose clothing"; "the large shoes were very loose"