Word.ws English Dictionary

astro-

astro- prefix: celestial bodies: fixed stars, wandering stars (planets), etc.; space; astronomy. Also the combining form of star.

Prefix

astro-

  1. celestial bodies: fixed stars, wandering stars (planets), etc.; space; astronomy

Also used as

astro- is also the combining form of star.

Origin of astro-

From Ancient Greek ἄστρον (ástron, “celestial body”).

Words formed from astro-

Questions about astro-

What does astro- mean?
Astro- means celestial bodies: fixed stars, wandering stars (planets), etc.; space; astronomy.
What part of speech is astro-?
Astro- is a prefix.

Words near astro- in the dictionary

  1. astripotent
  2. astripotents
  3. astrite
  4. astrites
  5. astro
  6. astro-
  7. astro-boffin
  8. astro-boffins
  9. astro-engineer
  10. astro-engineers
  11. astro-turfed

Source and license

Adapted from Wiktionary: astro- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “astro-.” Word.ws, https://word.ws/astro-. Based on Wiktionary, CC BY-SA 4.0.