Definitions

1. noun

A glow or light that is visible underneath something, especially an object or a vehicle that is lit up from underneath.

“The underglow of the sports car made it visible in the dark parking lot.”

2. noun

A feature of some electronic devices that displays a glow or light effect underneath the device.

“The new smartphone had a mesmerizing underglow that made it stand out from other devices.”

3. noun

A term used in some video games to describe a glowing effect that appears underneath the player’s character or vehicle.

“The gamer was excited to show off the underglow effect of his character in the new video game.”