adj. 1. covered with a firm surface; -- of pathways or roadways. [ Narrower terms: asphalt, macadam, macadamized, tarmac, tarmacadam; blacktopped, brick, cobblestone, cobblestoned ] [ Ant: unpaved ] Syn. -- hard-surfaced, surfaced, made-up [ British ], sealed [ Australian ]. [ WordNet 1.5 ]