incandescence: the glow of hot coals. brightness of color: the glow of the rubies. a sensation or state of bodily heat: a warm glow after exercising. a warm, usually reddish color of the cheeks. ardor: felt the glow of love. to give off a glow: The coals glowed for hours. The meaning of GLOW is to shine with or as if with an intense heat. How to use glow in a sentence. Glow Skincare's products are freshly-made by me, Wendy, an independent artisan in the clean sea air of England's south coast, Your skin looks and feels brighter, softer, and smoother, with a naturally radiant glow. GLOW definition: 1. to produce a continuous light and sometimes heat: 2. to look attractive because you are happy…. Learn more.