glareglareglares2noun1(no plural) strong light that hurts your eyes: the glare of the car's headlights2(pluralglares) a long, angry look: I tried to say something, but he gave me a glare.glareglareglaresglaredglaring1verb (glares, glaring, glared)1to look at somebody in an angry way: He glared at the children.2to shine with a bright light that hurts your eyes: The sun glared down.