abandoned ad lib at short notice at sight beyond control breachy by ear contumacious defiant extemporaneously extemporarily extempore fractious go-go immoderate impromptu incontinent incorrigible indocile indomitable indulgent insuppressible intemperate intractable irrepressible lax licentious loose nonrestrictive obstreperous off the cuff off the hip offhand on sight out of control permissive rampant recalcitrant refractory reinless resistant resisting restive riotous shrewish unbiddable unbridled unchecked uncoerced uncompelled unconstrained uncontrollable uncontrolled uncurbed unforced ungovernable ungoverned uninhibited unmalleable unmanageable unmastered unmeasured unmoldable unmuzzled unreined unrepressed unreserved unrestrained unrestrictive unruly unsubdued unsubmissive unsuppressed wanton wild