Interplanetary
Interplanetary adjective - Between or among planets.
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Synonyms for Interplanetary
In outer space and interplanetary are semantically related. In some cases you can use "In outer space" instead an adjective "Interplanetary".
In outer space
Interplanetary and in outer space are semantically related. You can use "Interplanetary" instead an adjective phrase "In outer space".
Mutual synonyms
Cite this Source
In outer space and Interplanetary. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/interplanetary/in_outer_space
Interplanetary & In outer space. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/interplanetary/in_outer_space>.
In outer space or Interplanetary. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/interplanetary/in_outer_space.
