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

This revealed a 100 light-year-wide bubble where the jet strikes interstellar gas and dust. — Robert Lea, Space.com, 24 Sep. 2026

There is no scientific law against the idea, but nor is there any reason interstellar travel must be impossible. — Venki Ramakrishnan, Scientific American, 15 Sep. 2026

Green lanterns are interstellar peacekeepers who wear rings that give them extraordinary powers. — Lorraine Ali, Los Angeles Times, 14 Sep. 2026

After examining the planets, the Voyager spacecraft will venture into interstellar space in the late 1980s or early 1990s, traveling at about 38,700 miles per hour. — Richard Tribou, The Orlando Sentinel, 7 Sep. 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