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

Here, clouds of stars and dark interstellar dust combine in a bewildering array as seen in binoculars and telescopes. — Joe Rao, Space.com, 26 June 2026

As radio waves travel across the universe, interstellar gas muddies them, generating a characteristic delay in the signal that depends on frequency. — Phil Plait, Scientific American, 26 June 2026

Voyager 2 passed Jupiter, Saturn, Uranus, and Neptune before reaching interstellar space in 2018. — Kory Grow, Rolling Stone, 24 June 2026

Set in outer space, Supergirl finds Lara Zor-El (Alcock) on an interstellar path of vengeance and justice when a vicious attack by Krem of the Yellow Hills (Matthias Schoenaerts) hits too close to home. — Tim Lammers, Forbes.com, 24 June 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