Synonyms and related words :
abandoned, go-go, immoderate, incontinent, indulgent, intemperate, irrepressible, lax, licentious, loose, nonrestrictive, out of control, out of hand, permissive, rampant, reinless, riotous, unbridled, unchecked, uncoerced, uncompelled, unconstrained, uncontrolled, uncurbed, unforced, ungoverned, unhampered, unmastered, unmeasured, unmuzzled, unreined, unrepressed, unreserved, unrestrained, unrestrictive, unruly, unsubdued, unsuppressed, untrammeled, wanton, wild