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

Next, astronomers spied several exoplanets that are gas giants like Jupiter—but in orbits so tight that these worlds practically skim the surfaces of their stars. — Phil Plait, Scientific American, 21 Aug. 2026

Astronomers have discovered an unusually massive, dense exoplanet that challenges conventional ideas about how rocky planets form. — Samantha Mathewson, Space.com, 19 Aug. 2026

The next truly extraordinary exoplanet could already be waiting in the data. — Kaif Shaikh, Interesting Engineering, 2 Aug. 2026

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

Word History

First Known Use

1992, in the meaning defined above

Rhymes for exoplanet

• pomegranate
• gannet
• granite
• planet
• intranet