1. Betelgeusian - Noun
2. Betelgeusian - Adjective
3. Betelgeusian - Proper noun
Betelgeusian (not comparable)
(astronomy, science fiction) Relating to the star Betelgeuse or to inhabitants of the Betelgeuse system.
Betelgeusian (plural Betelgeusians)
(science fiction) An inhabitant of the Betelgeuse system.
Betelgeusian
(science fiction) The language spoken by Betelgeusians.