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

Despite some promising high-concept notions such as an intergalactic federation, mystic beings, parasitic species, a sentient interstellar craft, and Slipstream FTL quantum mechanics, seemingly inevitable creative differences arose as the show progressed. —Jeff Spry, Space.com, 2 Oct. 2025

Here's everything to know about the interstellar object, including when the latest observations will be made. —Eric Lagatta, USA Today, 2 Oct. 2025

The object, named 3I/ATLAS, is only the third interstellar visitor ever detected, after Oumuamua in 2017 and 2I/Borisov in 2019. —Emma Bussey, FOXNews.com, 30 Sep. 2025

Preparing a video on relativity or interstellar travel forces me to revisit fundamentals with fresh eyes. —Adam Frank, Big Think, 25 Sep. 2025

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