outer space
nounUK /ˌaʊtə ˈspeɪs/ · US /ˌaʊtɚ ˈspeɪs/
Etymology From outer + space.
1
A region outside of explored space.
2
Any region of space beyond limits determined with reference to boundaries of a celestial system or body, especially the region of space immediately beyond Earth's atmosphere; sometimes, space beyond Earth's solar system.
- Astronauts train for years before traveling to outer space.
- The telescope captured incredible images from outer space.
2 more examples
- Science fiction often imagines alien civilizations in the depths of outer space.
- Dans added: “We talk about outer space and trips to Mars and then when you realise Nuuk is a three-hour flight from New York City, or thereabouts, it gets interesting.”2025 March 8, Miranda Bryant, quoting Tom Dans, “‘It’s very unpredictable’: divided Greenland prepares to vote amid Trump-inspired existential crisis”, in The Observer, →ISSN, archived from the original on 21 Mar 2025:
3
A bluish shade of black.
- Derived terms
- outer-spacey
- Related terms
- astropolitics