# overillumination

> English word · Noun

## Definitions
1. Excess light supplied beyond the amount required for a given task.
2. Wasted light through illumination of an unoccupied space, creating energy wastage.
3. Excessive or annoying light producing glare, annoyance and adverse health effects.

## Etymology
From over- + illumination.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/overillumination