spastic /ˈspastɪk/adjective 4noun 2forms 3 adjective4 •Of, relating to, or affected by spasm. •Of or relating to spastic paralysis. •(informal, offensive) Incompetent or physically uncoordinated. •(informal, offensive) Hyperactive or behaving erratically. noun2 •(offensive) A person affected by spastic paralysis or spastic cerebral palsy. •(informal, offensive) A stupid, clumsy person.‘Oi, Fleming, you spastic. Guess who I knobbed last night?’ — 1995 formsspastics · more spastic · most spastic