A person who takes part in a revel or revelry; a person given to revelling; (hence) a person who leads a wild or disorderly life.

A wild or riotous person; a boisterous or noisy reveller; (also) a bully.

A young or contemptible roisterer.

An exclamation of merriment or recklessness; ‘care begone! away with care!’ Hence, a reckless fellow, roisterer.

A roisterer.

mad shaver: a roysterer. Obsolete.

A noisy, riotous reveller; a person who indulges in wild drunken behaviour. Cf. roaring boy n. at roaring, adj. adv.compounds. Now rare.

One who takes part in riotous festivities; a reveller.

In the 17th–18th centuries: One who made a practice of roistering through the streets at night, beating the watch, breaking windows, etc.

A noisy and boisterous reveller. Cf. roister, n.1 1.

? a roistering disreputable fellow.

A wassailer (see quot. 1875). dialect.