rough·house inf. • v. / ˈrəfˌhous; -ˌhouz/ [intr.] act in a boisterous, violent manner: in front of the stage hundreds of teens and young adults roughhouse, flinging themselves into each other. ∎ [tr.] handle (someone) roughly or violently: the police department grabbed Danny as a suspect and roughhoused him.• n. / -ˌhous/ a violent disturbance or an instance of boisterous play.