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Definition of astronomer

astronomer

/əˈstrɑːnəmər/
as · tron · o · mer
Adverb:astronomically
•
Plural:astronomers
•
Adjective:astronomical
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astronomer Lexical Profile

astronomer Game Scores & Validity

• noun

1

A scientist who studies celestial bodies such as stars, planets, comets, and galaxies, as well as the physical phenomena of the universe beyond Earth's atmosphere.

Example

"The astronomer spent months analyzing data from the space telescope to measure the distance to the newly discovered galaxy."

Synonyms
View all synonyms for astronomer

Word Nuance & Usage

Should not be confused with 'astrologer'; an astronomer is a scientist who studies the physical universe empirically, whereas an astrologer interprets celestial positions for divination or horoscopes.

• Rhymes for astronomer

• Nearby Words

astrology
astronaut
astronautical
astronomer
astronomic
astronomical
astronomically

Word Origin & Etymology

Entered Middle English via Old French and Latin from the Ancient Greek 'astronomos' (literally 'star-arranging'), combining 'astron' (star) and 'nomos' (law or arrangement).

Cite this Entry

Wordmom. (2026). Definition of Astronomer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/astronomer
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