Frolicsome, 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.
Shades of meaning
Fernald has no entry of its own for frolicsome; he lists it under airy.
He lists it without comment; the entries above explain its neighbors.