interstellar

adjective

in·​ter·​stel·​lar ˌin-tər-ˈste-lər 

: located, taking place, or traveling among the stars especially of the Milky Way galaxy

Examples of interstellar in a Sentence

Recent Examples on the Web

The two spacecraft continue to send scientific data from interstellar space; Voyager 1 passed into that region in 2012, while Voyager 2 did so in 2018. — Elizabeth Howell, Space.com, 7 Aug. 2026

Rogue planets drift alone through interstellar space after either being ejected from their original planetary systems or forming independently without ever orbiting a star. — Kaif Shaikh, Interesting Engineering, 6 Aug. 2026

An ambitious effort to boost an aging probe on its journey through the uncharted territory of interstellar space seems to have found success. — Ashley Strickland, CNN Money, 6 Aug. 2026

The Colorado instrumental trio adds some dub and overdubs to their interstellar lounge. — Reed Jackson, SPIN, 17 July 2026

Word History

First Known Use

1626, in the meaning defined above

Rhymes for interstellar

• cerebellar
• circumstellar
• columellar
• storyteller
• beller
• cellar
• dweller
• eller
• feller
• meller
• sellar
• seller

Kids Definition

interstellar

adjective

in·​ter·​stel·​lar ˌint-ər-ˈstel-ər 

: located or taking place among the stars

interstellar space