exoplanet

noun

exo·​plan·​et ˈek-sō-ˌpla-nət 

ˌek-sō-ˈpla-

: a planet orbiting a star that is not our sun

Examples of exoplanet in a Sentence

Recent Examples on the Web

While thousands of years is far too long a time for humans to detect such disequilibrium on exoplanets, alien observers may have been watching Earth for a lot longer than that. — Keith Cooper, Space.com, 27 July 2026

The exoplanet was discovered in 2017 and was found to share many qualities with Earth. — Devika Rao, TheWeek, 27 July 2026

That means astronomers will have to start coming up with better definitions for what constitutes an exomoon versus an exoplanet in the first place. — Adam Kovac, Scientific American, 22 July 2026

An exoplanet’s gravity can bend the light of background stars as the exoplanet passes in front of them. — Elijah Tan, Encyclopedia Britannica, 22 July 2026

Word History

First Known Use

1992, in the meaning defined above

Rhymes for exoplanet

• pomegranate
• gannet
• granite
• planet
• intranet