thin air

Fetched 2026-10-26 (cache).

Synonyms: the air

Antonyms: the air

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|idiomatic|figuratively|usually|humorous}} An [[unknown]] [[location]]; {{lb|en|by extension}} apparent [[disappearance]] or [[nonexistence]].
2. {{senseid|en|literal}} {{&lit|en|thin|air|(especially, low-[[density]] air as a result of high altitude)}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.