knockabout UK /ˈnɒk.əˌbaʊt/US /ˈnɑk.əˌbaʊt/noun 7adjective 2forms 1 noun7 •(informal) An act of playing a sport casually or informally.The kids had a knockabout with a football in the backyard. •A tumbler. •A slapstick comedian or comedy. •A small sailboat lacking a bowsprit, of a type found primarily in the Massachusetts area.We sailed our knockabout around Cape Cod. •A person living in rough, violent conditions.The guests were mostly reformed drunks and knockabouts who wanted to talk about their troubled trek through life — 2008 •Clothing suitable for rough use. •A worker habitually engaged in casual employment. adjective2 •Boisterous •Suitable for rough use.I have a knockabout cello for non-concert gigs. formsknockabouts