interstellar

adjective

Definition of interstellarnext
as in celestial
existing or occurring between stars the vastness of interstellar space

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of interstellar In 2025, Swift detected a compound called hydroxyl on the interstellar object 3I/ATLAS, indicating the presence of water. — Mary Ogborn, The Conversation, 4 Nov. 2026 Most recently, the telescope was instrumental in documenting comet 3I/ATLAS, the third interstellar object ever detected passing through the solar system. — Andrew Paul, Popular Science, 2 Nov. 2026 Scientists thought that atoms in the interstellar medium would transition to either the cold or warm state almost instantly, leaving basically no unstable, intermediate ISM behind. — Perri Thaler, Quanta Magazine, 30 Oct. 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 See All Example Sentences for interstellar
Recent Examples of Synonyms for interstellar
  1. celestial
  2. astronomical
  3. intergalactic
  4. stellar
  5. heavenly
Adjective
  • The telescope's superpower was its ability to swivel swiftly — thus its name — toward erupting celestial events.
    — CBS News, CBS News, 2 Nov. 2026
  • The temple’s centerpiece, directly beneath the spire, is what’s known as the celestial room, which is meant to represent the beauty and serenity of Heaven.
    — Matthew Adams, Fort Worth Star-Telegram, 2 Nov. 2026
Definition of celestial
Adjective
  • Southern Californian stargazers should get ready for a month packed with astronomical events, starting with fireballs and ending with a supermoon.
    — Iris Kwok, Los Angeles Times, 5 Nov. 2026
  • These formed the natural astronomical background against which hypothetical alien transmissions would have to stand out.
    — Rupendra Brahambhatt, Interesting Engineering, 1 Nov. 2026
Definition of astronomical
Adjective
  • In the sci-fi/horror film, Skerritt played Captain Dallas, one of the few who aligns with Sigourney Weaver’s Ripley as their intergalactic shipping crew is faced with a horrible menace.
    — Dan Heching, CNN Money, 22 Oct. 2026
  • The curved bar, constructed from cast-glass beams covered in silver leaf, takes on an intergalactic glow when illuminated at night.
    — Khushbu Shah, Bon Appetit Magazine, 20 Oct. 2026
Definition of intergalactic
Adjective
  • Lloyd and Verlaine’s stellar guitar work anchored Television’s seminal debut, Marquee Moon, which was released in 1977.
    — Jon Blistein, Rolling Stone, 7 Nov. 2026
  • Referee David Smith has a less-than-stellar reputation among SEC fans, and the decisions from his crew Saturday won’t help matters.
    — PJ Green, Kansas City Star, 7 Nov. 2026
Definition of stellar
Adjective
  • Jesus had just been teaching his followers to love even their enemies, pointing toward the impartial love of our heavenly Father.
    — The Christian Science Monitor, Christian Science Monitor, 2 Nov. 2026
  • Codex Gigas, medieval illuminated manuscript known for its full-page illustration of the Devil opposite a full-page illustration of heavenly Jerusalem.
    — Laura Payne, Encyclopedia Britannica, 30 Oct. 2026
Definition of heavenly

Browse Nearby Words

interstates
interstellar
interstice
See all Nearby Words

Cite this Entry

“Interstellar.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/interstellar. Accessed 11 Nov. 2026.

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