Dictionary
outer space
noun
: the region beyond the Earth's atmosphere in which there are stars and planets
Full Definition of OUTER SPACE
: space immediately outside the earth's atmosphere; broadly : interplanetary or interstellar space
See outer space defined for English-language learners
See outer space defined for kids
ADVERTISEMENT
First Known Use of OUTER SPACE
1879
OUTER SPACE Defined for Kids
outer space
noun
Definition of OUTER SPACE for Kids
: the region beyond earth's atmosphere and especially beyond the solar system
Learn More About OUTER SPACE
Browse
Next Word in the Dictionary: outer tablePrevious Word in the Dictionary: outersoleAll Words Near: outer space
ADVERTISEMENT
Seen & Heard
What made you want to look up outer space? Please tell us where you read or heard it (including the quote, if possible).