Interplanetary
Interplanetary adjective - Between or among planets.
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Synonyms for Interplanetary
Space and interplanetary are semantically related. In some cases you can use "Space" instead an adjective "Interplanetary".
Space
Space noun - An extent or area available for or used up by some activity or thing.
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Synonyms for Space
Interplanetary and space are semantically related. You can use "Interplanetary" instead an adjective "Space".
Mutual synonyms
Both words in one sentence
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Humanity in 2001 can build spectacular space-stations and has mastered interplanetary flight, but people are still using typewriters.
Source: Film / 2001: A Space Odyssey - A wheel-shaped space station and an interplanetary mission jeopardized by Space Madness were previously seen in George Pal's Conquest of Space, released in 1955.
Source: Film / 2001: A Space Odyssey -
Heavy Metal L-Gaim: The pilots carried them during interplanetary travel and space battles.
Source: Latex Space Suit
Cite this Source
Space and Interplanetary. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/interplanetary/space
Interplanetary & Space. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/interplanetary/space>.
Space or Interplanetary. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/interplanetary/space.
Google Ngram Viewer shows how "interplanetary" and "space" have occurred on timeline