adj. 1 average, middle, mid, medial, median, normal, standard, usual, everyday, ordinary; mid-sized His wife has an estate car of medium size - nothing extravagant 2 See mediocre, above.
n. 3 average, middle, mid-point, compromise, centre, mean, norm, mediocrity Instead of going to extremes, try for the happy medium 4 atmosphere, environment, ambience or ambiance, milieu The air serves as a medium of sound The light is refracted as it passes into a denser medium. 5 means, method, mode, approach, instrumentality, device, mechanism, intermediation, technique, contrivance, agency, expedient, way, course, route, road, avenue, channel, conveyance, vehicle Latin and Greek were the media of the scholarship, the science, and the theology of the Middle Ages Television is a powerful advertising medium.