invariant

adjective

(ˌ)in-ˈver-ē-ənt How to pronounce invariant (audio)
Definition of invariantnext
as in unchanging
not varying an invariant value

Synonyms & Similar Words

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Antonyms & Near Antonyms

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 invariant To build the therapy, researchers took human stem cells and turned them into a special type of immune cell called an invariant natural killer T cell (NKT cell). — Khloe Quill, FOXNews.com, 1 Dec. 2025 But interestingly, quantum mechanics is often assumed to be invariant under time reversal. — Manon Bischoff, Scientific American, 4 June 2025 This development follows a generally invariant sequence validated across cultures. — Aurelien Mangano, Forbes.com, 6 Feb. 2026 All models are highly ISO-invariant above ISO 800, thanks to a dual gain switch, which enables flexible shadow recovery without noise penalties. — James Abbott, Space.com, 25 Feb. 2026 See All Example Sentences for invariant
Recent Examples of Synonyms for invariant
  1. unchanging
  2. steady
  3. unchangeable
  4. uniform
Adjective
  • The soccer world has moved on from the idea that a coach must share his players' blood and that a team’s identity is just a reflection of an unchanging national character.
    — Michael Morris, Time, 1 July 2026
  • Typically, people recover meteorites in geologically unchanging regions, such as deserts or ice fields, where the meteorites stand out against the landscape.
    — Adam Lark, Scientific American, 28 June 2026
Definition of unchanging
Adjective
  • This doesn't look like the time for steady rate cuts, and current Warsh recently emphasized the bank's 2% inflation target, which hasn't been reached since 2021.
    — Dan Mangan,Luke Fountain,Kevin Breuninger,Garrett Downs,Ashley Capoot,Justin Papp, CNBC, 2 July 2026
  • In other words, women tend to burn more fat for energy than men during steady, moderate-intensity endurance exercise, such as a marathon.
    — Claire Maldarelli, Scientific American, 2 July 2026
Definition of steady
Adjective
  • Families can also create irrevocable trusts to remove countable assets towards Medicaid qualification, but remember, irrevocable trusts are usually unchangeable.
    — Medora Lee, USA Today, 9 May 2026
  • Policies Vary by Location As generous as Aldi’s approach can be, there are a few places where the rules are solid and unchangeable.
    — Jessica Safavimehr, Southern Living, 22 Apr. 2026
Definition of unchangeable
Adjective
  • Congestion is difficult to predict, especially following the COVID-19 pandemic, when driving behavior shifted and peak traffic hours spread out instead of sticking to the more uniform 9-to-5 workday.
    — Sacbee.com, Sacbee.com, 1 July 2026
  • On those days, non-uniform employees funded by the city General Fund will be required to participate, resulting in the days being marked as leave without pay.
    — Briauna Brown, CBS News, 30 June 2026
Definition of uniform

Browse Nearby Words

invariably
invariant
invasion
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Cite this Entry

“Invariant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invariant. Accessed 7 Jul. 2026.

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More from Merriam-Webster on invariant

Britannica.com: Encyclopedia article about invariant

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