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TAKE THE QUIZinterplanetary
adjective
in·ter·plan·e·tary
ˌin-tər-ˈpla-nə-ˌter-ē 
: existing, carried on, or operating between planets
Word History
First Known Use
1691, in the meaning defined above
Dictionary Entries Near interplanetary
Cite this Entry
“Interplanetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interplanetary. Accessed 28 Nov. 2022.
Kids Definition
interplanetary
adjective
in·ter·plan·e·tary
ˌint-ər-ˈplan-ə-ˌter-ē
More from Merriam-Webster on interplanetary
Nglish: Translation of interplanetary for Spanish Speakers
Britannica English: Translation of interplanetary for Arabic Speakers
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