# thin air

> English word · Noun · IPA /ˌθɪn ˈɛə(ɹ)/

## Definitions
1. An unknown location; (by extension) apparent disappearance or nonexistence.
2. Used other than figuratively or idiomatically: see thin, air, (especially, low-density air as a result of high altitude).

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