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