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Definition of windowless
windowless
/ˈwɪn.doʊ.ləs/
win · dow · less
windowless Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
Syllables
3
windowless Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Having no windows; lacking openings for natural light or air.
Example
"The archival documents were stored in a temperature-controlled, windowless room in the basement."
Synonyms
View all synonyms for windowless Antonyms
View all antonyms for windowless• Nearby Words
Cite this Entry
Wordmom. (2026). Definition of Windowless. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/windowless