Definition of Loose

Adjective: loose (looser,loosest) loos

Not tight; not closely constrained, constricted or constricting
"loose clothing"; "the large shoes were very loose"
Not compact or dense in structure or arrangement
"loose gravel"
(of a ball in sport) not in the possession or control of any player
"a loose ball"
Not officially recognized or controlled
"a loose organization of the local farmers";
- informal
Not literal
"a loose interpretation of what she had been told";
- free, liberal
Emptying easily or excessively
"loose bowels";
- lax
Not affixed
"the stamp came loose";
- unaffixed
Not tense or taut
"the old man's skin hung loose and grey";
- slack
(of textures) full of small openings or gaps
"a loose weave";
- open
Lacking a sense of restraint or responsibility
"a loose tongue";
- idle
Not carefully arranged in a package
"a box of loose nails"
Having escaped, especially from confinement
"dogs loose on the streets"; "criminals on the loose in the neighbourhood";
- at large, escaped, on the loose
Casual and unrestrained in sexual behaviour
"he was told to avoid loose (or light) women";
- easy, light, promiscuous, sluttish, wanton, slutty, tarty

Verb: loose loos

Grant freedom to; free from confinement
- free, liberate, release, unloose, unloosen
Turn loose or free from restraint
"let loose mines"; "Loose terrible plagues upon humanity";
- unleash, let loose
Make less tight or stiff
"loose the tension on a rope";
- loosen
Become loose, looser or less tight
- loosen, relax

Adverb: loose loos