Webster’s Revised Unabridged Dictionary · 1913
Frolicsome
Frol′ic·some (·sŭm), a. Full of gayety and mirth; given to pranks; sportive.
Old England, who takes a frolicsome brain fever once every two or three years, for the benefit of her doctors. Sir W. Scott.
— Frol′ic·some·ly, adv. — Frol′ic·some·ness, n.