Windowless

adj

adj ·3 syllables ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Having no windows, especially no external windows. not-comparable

    "Billionaire Charlie Munger’s controversial plans for a massive, windowless dorm at the University of California, Santa Barbara has left many wondering – how is this even possible?"

Synonyms

All synonyms
unfenestrated

Example

More examples

"When he came to he found himself lying in a small, windowless cell."

Etymology

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

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.