outer space

out·er space
O o


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [ou-ter speys]
    • /ˈaʊ tər speɪs/
    • /ˈaʊtə(r) speɪs/
    • US Pronunciation
    • US IPA
    • [ou-ter speys]
    • /ˈaʊ tər speɪs/

Definitions of outer space words

  • noun outer space space beyond the atmosphere of the earth. 1
  • noun outer space deep space. 1
  • noun outer space area beyond Earth's atmosphere 1
  • uncountable noun outer space Outer space is the area outside the earth's atmosphere where the other planets and stars are situated. 0
  • noun outer space any region of space beyond the atmosphere of the earth 0
  • noun outer space space beyond the atmosphere of the earth 0

Information block about the term

Origin of outer space

First appearance:

before 1875
One of the 25% newest English words
First recorded in 1875-80

Historical Comparancy

Parts of speech for Outer space


outer space popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 37% of English native speakers know the meaning and use word.
According to our data about 65% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

outer space usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for outer space

noun outer space

  • deep space — any region of outer space beyond the system of the earth and moon
  • intergalactic space — the region of physical space that exists between galaxies. The density is negligible, and close to an almost total vacuum
  • interplanetary space — the region of space occurring around the sun and planets of the solar system. The density is normally negligible although cosmic rays, meteorites, gas clouds, etc, can occur
  • interstellar space — astronomy: space between the stars
  • cosmos — The cosmos is the universe.

See also

Matching words

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