Definition for Outer space:

• any location outside the Earth's atmosphere; " the astronauts walked in outer space without a tether"

Synonyms for Outer space:

• n.

  •deep space (noun)
  • metagalactic spaces,
  • ocean emptiness,
  • deep-space,
  • uni-verse,
  • uni verse,
  • region beyond earths solar systems,
  • celestial space,
  • intergalactic spaces,
  • region beyond earth solar systems,
  • region beyond earths solar system,
  • void aboves,
  • the heaven,
  • the universes,
  • void above,
  • region beyond earth solar system,
  • interplanetary spaces,
  • intercosmic spaces,
  • region beyond earth's solar systems,
  • cosmic spaces,
  • interstellar spaces,
  • the void aboves,
  • the voids.
  •the universe (noun)
  • cosmos,
  • empty space,
  • infinity,
  • ether space,
  • pressureless space,
  • infinite space.

• Other synonyms:

  •
  • the cosmos,
  • universe.
  •
  • Hyperspace.
  •
  • creation.

Holonyms for Outer space:

• n.

  • location
    aerospace.

Hyponym for Outer space:

• n.

  • location
    infinite, space, location.

Meronym for Outer space:

• n.

  • location
    intergalactic space, deep space, interplanetary space, interstellar space.