The light given off by a glowing object.

The condition of being passionate or having warm feelings.

The brilliance or warmth of color in an environment or on a person (especially one's face).

To emit light as if heated.

(copulative) To radiate thermal heat.

To display intense emotion.

To gaze especially passionately at something.

To shine brightly and steadily.

(transitive) To make hot; to flush.

(intransitive) To feel hot; to have a burning sensation, as of the skin, from friction, exercise, etc.; to burn.

(intransitive, Internet slang) To be related to or part of an (chiefly online) undercover sting operation, especially by American federal agencies.

(Internet slang, alt-right) to expose someone to the authorities.

(Internet slang, alt-right) to create a threatening online post that may involve violence, and look suspicious enough to attract a police investigation.