outer space

noun

: space immediately outside the earth's atmosphere

broadly : interplanetary or interstellar space

Examples of outer space in a Sentence

a satellite in outer space

Is there life in outer space?

Recent Examples on the Web

In recent years, outer space has ceased to be the domain of government space agencies and become a fast-growing investment and technology theme, with many private players now operating in the sector. — Anton Alikov, Forbes.com, 25 June 2026

Its outer space is filled with cosmic detritus, mean characters and cute critters. — ABC News, 24 June 2026

Each week introduces a different theme, from superheroes and marine life to dinosaurs and outer space, giving children something new to experience throughout July. — Ut Community Press, San Diego Union-Tribune, 23 June 2026

Too much time is devoted to elevating one-note supporting characters and their incidental solo missions, and too little time is given to the star attraction, the man from outer space, the guy with a face worthy of comparing to the Mona Lisa. — Ben Travers, IndieWire, 22 June 2026

Word History

First Known Use

1842, in the meaning defined above

Rhymes for outer space

• aerospace
• anatase
• anyplace
• commonplace
• cyberspace
• database
• diabase
• diastase
• dnase
• elastase
• fireplace
• hyperspace

Kids Definition

outer space

noun

: space entry 1 sense 4

especially : the region beyond the solar system