interstellar

adjective

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

Related Words

Relevance

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 Last year, Loeb raised the possibility that the interstellar comet 3I/ATLAS could have alien origins. — CBS News, 1 July 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 This opens up opportunities for interstellar travel. — Ameya Paleja, Interesting Engineering, 23 June 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 classic sky sight comes as the Perseid meteor shower begins — one of 2026’s celestial highlights.
    — Jamie Carter, Forbes.com, 17 July 2026
  • Identified by French astrologer André Barbault — whose work examined how slow-moving planetary cycles correspond with larger historical developments — the celestial pattern pinpoints a period of intense collective change.
    — Valerie Mesa, PEOPLE, 15 July 2026
Definition of celestial
Adjective
  • Topline The annual Perseid meteor shower — one of 2026’s celestial highlights — officially begins today, kicking off one of the most anticipated astronomical events of the year.
    — Jamie Carter, Forbes.com, 17 July 2026
  • The difference a decade later is the get-in price for this World Cup final is astronomical.
    — Dan Sheldon, New York Times, 17 July 2026
Definition of astronomical
Adjective
  • While the Dutch designer was focused on things intergalactic, Christian Dior’s Jonathan Anderson had been studying the work of the American multimedia artist Lynda Benglis.
    — Laird Borrelli-Persson, Vogue, 10 July 2026
  • Where do these characters, as well as Zendaya‘s Chani, Javier Bardem‘s Stilgar and Florence Pugh‘s Princess Irulan, fit into Paul’s journey as an intergalactic emperor?
    — Jack Smart, PEOPLE, 10 July 2026
Definition of intergalactic
Adjective
  • Molecular clouds can also be stellar nurseries, incubating new stars and planets in their depths.
    — Damien Pine, Scientific American, 13 July 2026
  • In Nolan’s film—which features a stellar cast, including Holland’s wife Zendaya as the goddess Athena—Holland also stars.
    — Alessia Ferri, Vanity Fair, 13 July 2026
Definition of stellar
Adjective
  • The plush cotton consistently feels heavenly underfoot after every shower.
    — Toni Sutton, PEOPLE, 10 July 2026
  • By the end of the movie, even something as natural as daylight has become suffused with a heavenly glow, and the beads of sweat on a dying body sparkle with a beauty that Emily had never been able to find anywhere else in her tragedy of a life.
    — David Ehrlich, IndieWire, 26 June 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 19 Jul. 2026.

Copy Citation

More from Merriam-Webster on interstellar

Nglish: Translation of interstellar for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

The Words of the Week - Jul 17
See More

Popular

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
child-detective
Spot the Misspelled Word July 2026 Those little red underlines can't help you now...
See All