eupnoeic adj 1: passing or able to pass air in and out of the lungs normally; sometimes used in combination; "the boy was disappointed to find only skeletons instead of living breathing dinosaurs"; "the heavy-breathing person on the telephone" [syn: {breathing}, {eupneic}, {eupnoeic}] [ant: {breathless}, {dyspneal}, {dyspneic}, {dyspnoeal}, {dyspnoeic}]