Astronut

noun, slang

noun, slang ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A person with an obsessive interest in astronomy. slang

    "He was an “astronut”, a lover of all things extraterrestrial. For him astronomy was so great a passion it bordered on obsession."

Example

More examples

"He was an “astronut”, a lover of all things extraterrestrial. For him astronomy was so great a passion it bordered on obsession."

Etymology

Blend of astronaut + nut.

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