abandoned active acute aggressive animated brisk dynamic energetic enterprising enthusiastic forceful forcible full of pep groovy hearty hep hip immoderate impetuous incisive incontinent indulgent intemperate intense into irrepressible keen kinetic lax licentious lively living loose lusty mettlesome nonrestrictive on the beam out of control out of hand peppy permissive rampant really into reinless riotous robust smacking snappy spanking spirited strenuous strong take-charge take-over trenchant unbridled unchecked uncoerced uncompelled uncurbed unforced ungoverned uninhibited unmastered unmeasured unmuzzled unreined unrepressed unreserved unrestrained unrestrictive unruly unsubdued unsuppressed vibrant vigorous vivacious vivid wanton wild with it zestful zesty zippy