interplanetary

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌɪntəˈplænɪtərɪ/

US:USA pronunciation: IPAUSA pronunciation: IPA/ˌɪntɚˈplænɪˌtɛri/

US:USA pronunciation: respellingUSA pronunciation: respelling(in′tər plan′i ter′ē)



WordReference Random House Learner's Dictionary of American English © 2026
in•ter•plan•e•tar•y /ˌɪntɚˈplænɪˌtɛri/USA pronunciation   adj. 
  1. Astronomybeing or occurring between planets:interplanetary travel.

WordReference Random House Unabridged Dictionary of American English © 2026
in•ter•plan•e•tar•y  (in′tər plan′i ter′ē),USA pronunciation adj. 
  1. Astronomybeing or occurring between the planets or between a planet and the sun.
  • inter- + planetary 1685–95

'interplanetary' also found in these entries (note: many are not synonyms or translations):
scintillation - anacoustic - astronautics - magnetopause

🗣️Forum discussions with the word(s) "interplanetary" in the title:


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