# windowless

> English word · Adjective · frequency rank #55,859

## Definitions
1. Having no windows, especially no external windows.

## Etymology
From Middle English wyndowles, equivalent to window + -less.

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