Thesaurus

light-year

noun

Synonyms & Antonyms of light-year

a huge physical or conceptual distance
  • my sister and I are close in age, but personality-wise, there are light-years between us

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Time Traveler for light-year

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The first known use of light-year was in 1867

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Thesaurus Entries Near light-year

lightweights

light-year

light-years

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Cite this Entry

“Light-year.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/light-year. Accessed 23 Oct. 2021.

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More from Merriam-Webster on light-year

Nglish: Translation of light-year for Spanish Speakers

Britannica.com: Encyclopedia article about light-year

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