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