(a.) Like a colt; wanton; frisky.

animated antic beardless boyish boylike calflike capersome childish childlike elvish exuberant frisky frolicsome full of beans gamesome gay girlish girllike hearty impish kiddish kittenish larkish lively maiden maidenly mischievous playful puckish puerile puplike puppyish puppylike rollicking rollicksome rompish skittish spirited sportive sprightly vital vivacious waggish zestful zippy