horseplay noun 1verb 1forms 3 noun1 •Rough or rowdy play that can often result in unintentional physical harm.After a little horseplay and floating around, April said "Look over there, it's our skinny dipper." […] — 2016 verb1 •To engage in horseplay.[S]he arose at seven o'clock and spent the first hour preparing pancakes while Al and Albert horseplayed. — 2004 formshorseplayed · horseplaying · horseplays