Planetarian

//ˌplænɪˈtɛəɹi.ən// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
astrologer obsolete
2
An inhabitant of a planet
3
An operator of a planetarium

Synonyms

astral astronomic astronomical astrophysical galactic heavenly

Etymology

From planetary + -an.

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