Gleam/ɡliːm/ Definition 1 of 4Pro Tip 1/2Often Reflective Gleam usually involves light bouncing off surfaces, not a direct light source. The gleam of sunlight off the car's mirror was blinding. Pro Tip 2/2Subtle Light Gleam suggests a soft or subdued shine rather than a harsh brightness. A gentle gleam of candlelight spilled from the window.