astronut
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A person with an obsessive interest in astronomy.
Register: slang
Where it’s used:
Used
American English
Examples
He was an “astronut”, a lover of all things extraterrestrial. For him astronomy was so great a passion it bordered on obsession.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “astronut” mean?
A person with an obsessive interest in astronomy.
Is “astronut” formal or informal?
astronut is generally slang.