glow

Etymology

From Middle English glowen, from Old English glōwan, from Proto-Germanic *glōaną, from Proto-Indo-European *ǵʰel-. Cognate with Saterland Frisian gloie, glöie, gluuje, West Frisian gloeie, Dutch gloeien, German glühen, Danish and Norwegian glo, Icelandic glóa. See also glass.

verb

1. To emit light as if heated.
   The fire was still glowing after ten hours.
2. (copulative) To radiate thermal heat.
   Iron glows red hot when heated to near its melting point.
   After their workout, the gymnasts' faces were glowing red.
3. To display intense emotion.
   The zealots glowed with religious fervor.
   You are glowing from happiness!
4. To gaze especially passionately at something.
5. To shine brightly and steadily.
   The new baby's room glows with bright, loving colors.
6. (transitive) To make hot; to flush.
7. (intransitive) To feel hot; to have a burning sensation, as of the skin, from friction, exercise, etc.; to burn.
   The cord slides swiftly through his glowing hands. 1727, John Gay, Sweet William's Farewell to Black-eyed Susan
8. (intransitive, Internet slang) To be related to or part of an (chiefly online) undercover sting operation, especially by American federal agencies.
   If this post glows any brighter I'm going to need sunglasses. 😄🕶👌 26 Aug 2018, 20:12:53, anonymous author, “Cryptographic crumpling: The encryption 'middle ground' for government surveillance”, in alt.privacy (Usenet)
9. (Internet slang, alt-right) to expose someone to the authorities.
10. (Internet slang, alt-right) to create a threatening online post that may involve violence, and look suspicious enough to attract a police investigation.

noun

1. The light given off by a glowing object.
   The door of the twins' room opposite was open; a twenty-watt night-light threw a weak yellow glow into the passageway. David could hear the twins breathing in time with each other. 1994, Stephen Fry, chapter 2, in The Hippopotamus
2. The condition of being passionate or having warm feelings.
3. The brilliance or warmth of color in an environment or on a person (especially one's face).
   He had a bright red glow on his face.