space travel

1. 1.

   a voyage outside the Earth's atmosphere

   Synonymsspaceflightspacefaring

   Broadervoyage

Questions about space travel

What does space travel mean?

space travel means "a voyage outside the Earth's atmosphere".

What is another word for space travel?

Close synonyms include spaceflight, spacefaring. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is space travel a common word?

space travel is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.