Acting without restriction or limitation; showing a lack of moderation in doing something.

figurative. Not restrained or held in check; absolutely uncontrolled or ungoverned. Of conduct, feeling, utterance, etc.

Noisy, tumultuous; unrestrained.

Free from restraint; speaking or acting freely; (in negative sense) unrestrained by prudence or decorum. Obsolete.

Not subjected (or subject) to restraint, esp. in respect of action or conduct; uninhibited; spontaneous, natural.

Free or unrestrained in disposition, behaviour, or language.

Of a person: free from restraint or restriction; not strict or precise, esp. in observing a religious rule.

figurative. Lax or casual in respect of principles or conduct; easy, loose. Obsolete.

Involving or characterized by self-abandonment; self-abandoned.

Absence of restraint; unconstrained ease and freedom.

Involving or characterized by a lack of inhibition or restraint; (also) given up or devoted to an influence, passion, etc.

Not inhibited; unrestrained.

Not characteristic of the reign of Queen Victoria (1837–1901); contrary to or not having the attitudes and values attributed to this time, esp…

slang (originally Jamaican). Out of control, wild. Chiefly in leggo beast (also lagobis) (derogatory): an animal that has got loose or gone wild…

Vibrant, lively, energetic. Cf. zizz, n. 2. Now chiefly British.

Of persons, etc.: relaxed or easy, calm; uninhibited. Esp. predic. (quasi-adv.) in to hang (or stay) loose. slang (originally U.S.).