Boisterous quality; rude strength (obsolete); violence, tempestuousness; rough behaviour.

Originally: a form of fighting in which no rules are observed and no tactics barred (now historical). Later in weakened sense: playful roughhousing.

Noisy and disorderly behaviour; conduct characteristic of a rowdy (rowdy, n.1).

rough or unmannerly behaviour; rowdyism.

figurative. Rough, boisterous play or behaviour. Now rare.

Robustness; boisterousness.

Rough and tumble, hurly-burly. Also as a count noun: a tussle, a fight.