adj · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/ɪntəˈplænɪtəri/
/ɪntəˈplænɪtri/
Southern-England:Recorded audio is listed in the source snapshot.
US:/ɪntɚˈplænɪˌtɛəri/
US:/ɪntɚˈplænəˌtɛri/
CMU ARPABET:IH2 N T ER0 P L AE1 N AH0 T EH2 R IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Existing or occurring between planets.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Examples
Humans are just beginning to explore interplanetary travel.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adjective
Meaning 2
between or among planets
Definition source: Princeton WordNet 3.0
Examples
interplanetary travel
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree Proto-Indo-European *h1én Proto-Indo-European *h1entér Proto-Italic *n̥ter Latin inter Latin inter-bor. English inter- English planetary English interplanetary From inter- + planetary.
Across languages
Translations
37 source translations are retained for this English entry.
Armenian:
միջմոլորակային
(miǰmolorakayin)
— existing or occurring between planets
Azerbaijani:
planetlərarası
— existing or occurring between planets
Catalan:
interplanetari
— existing or occurring between planets
Chinese Mandarin:
行星際 /行星际
(xíngxīngjì)
— existing or occurring between planets
Czech:
meziplanetární
— existing or occurring between planets
Danish:
interplanetarisk
— existing or occurring between planets
Dutch:
interplanetair
— existing or occurring between planets
Esperanto:
interplaneda
— existing or occurring between planets
Finnish:
planeettainvälinen
— existing or occurring between planets
Finnish:
planeettojenvälinen
— existing or occurring between planets
Finnish:
interplanetaarinen
— existing or occurring between planets
French:
interplanétaire
— existing or occurring between planets
German:
interplanetarisch
— existing or occurring between planets
German:
interplanetar
— existing or occurring between planets
Greek:
διαπλανητικός
(diaplanitikós)
— existing or occurring between planets
Hindi:
अंतरग्रहीय
(antragrahīya)
— existing or occurring between planets
Italian:
interplanetario
— existing or occurring between planets
Japanese:
惑星間の
(wakuseikan no)
— existing or occurring between planets
Kazakh:
ғаламшараралық
(ğalamşararalyq)
— existing or occurring between planets
Latvian:
starpplanētu
— existing or occurring between planets
Macedonian:
меѓупла́не́тен
(meǵuplánéten)
— existing or occurring between planets
Macedonian:
меѓупланета́рен
(meǵuplanetáren)
— existing or occurring between planets
Macedonian:
меѓупла́нетски
(meǵuplánetski)
— existing or occurring between planets
Norman:
întèrplianétaithe
— existing or occurring between planets
Polish:
międzyplanetarny
— existing or occurring between planets
Portuguese:
interplanetário
— existing or occurring between planets
Romanian:
interplanetar
— existing or occurring between planets
Russian:
межплане́тный
(mežplanétnyj)
— existing or occurring between planets
Russian:
междуплане́тный
(mežduplanétnyj)
— existing or occurring between planets
Sanskrit:
अन्तरग्रहीय
(antaragrahīya)
— existing or occurring between planets
Slovak:
medziplanetárny
— existing or occurring between planets
Slovene:
mèdplanetáren
— existing or occurring between planets
Slovene:
ínterplanetáren
— existing or occurring between planets
Spanish:
interplanetario
— existing or occurring between planets
Swedish:
interplanetarisk
— existing or occurring between planets
Tagalog:
pangkabuntalaan
— existing or occurring between planets
Tagalog:
kabuntalaanin
— existing or occurring between planets
