# Windex

> English word · Noun · frequency rank #67,173

## Definitions
1. A window cleaner containing detergent and ammonia.

## Etymology
From a trade name, derived from window.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/windex