adj. 25B6; adjective
the radiant moon : SHINING, bright, illuminated, brilliant, gleaming, glowing, ablaze, luminous, luminescent, lustrous, incandescent, dazzling, shimmering; archaic splendent.
she looked radiant : JOYFUL, elated, thrilled, overjoyed, jubilant, rapturous, ecstatic, euphoric, in seventh heaven, on cloud nine, delighted, very happy; informal on top of the world, over the moon; Austral. informal wrapped.
dark, gloomy.