Frolic
Part of speech: noun
Definition: Gaiety; merriment. A playful antic.
Part of speech: verb
Definition: To romp; to behave playfully and uninhibitedly. To cause to be merry.
Gambol
Part of speech: noun
Definition: An instance of running or skipping about playfully.
Part of speech: verb
Definition: To move about playfully; to frolic.to do a forward roll