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interplanetary

[ in-ter-plan-i-ter-ee ]
/ ˌɪn tərˈplæn ɪˌtɛr i /
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adjective
being or occurring between the planets or between a planet and the sun.
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Origin of interplanetary

First recorded in 1685–95; inter- + planetary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use interplanetary in a sentence

British Dictionary definitions for interplanetary

interplanetary
/ (ˌɪntəˈplænɪtərɪ, -trɪ) /

adjective
of, relating to, or existing between planets
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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