frolic

Noun
  1. Gay or light-hearted recreational activity for diversion or amusement (synset 100512828)
    "it was all done in play"; "their frolic in the surf threatened to become ugly"
Verb
  1. Play boisterously (synset 201887709)
    "The children frolicked in the garden"; "the gamboling lambs in the meadows"; "The toddlers romped in the playroom"

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