Synonyms|56Antonyms|0|Broader|0Narrower|0Related|4
5
interstellar(adjective, space, stellar, celestial, planetary)
3
planetary(adjective, space)
3
galactic
3
extragalactic
3
intergalactic(adjective, space, stellar, planetary, interstellar)
3
meteoric
2
lunar
2
stellar
1
lunary
1
lunulate
1
meteoritic
1
nebulous
1
planetal
1
planetarian
1
planetesimal
1
semilunar
1
sidereal
1
sphery
1
star-spangled
1
star-studded
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APASmart Define. (2015). interplanetary thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/interplanetary/thesaurus/synonyms
ChicagoSmart Define. 2015. "interplanetary thesaurus" https://smartdefine.org/interplanetary/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, interplanetary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/interplanetary/thesaurus/synonyms>.
MLASmart Define. "interplanetary thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/interplanetary/thesaurus/synonyms>