lark
lark
noun
A mischievous, spontaneous adventure or a playful activity, often for fun.
"We went for a bit of a lark."
verb
To engage in playful or mischievous activities, often without serious purpose.
"The children were larking about."
Thesaurus
Synonyms: titlark, pipit, escapade, sport, run around, lark about, frolic, cavort, disport, gambol, rollick, skylark