in·vari·able
(ˌ)in-ˈver-ē-ə-bəl 
: not changing or capable of change : constant
an invariable routine
invariable
noun
: the quality or state of being invariable
Examples of invariable in a Sentence
Adjective
an invariable interest rate
Recent Examples on the Web
Doris Elin Urrutia, Space.com, 8 June 2026
Among other things, Marx is invoking the algebraic distinction between known and invariable (constant) and unknown (variable) values.
—Literary Hub, 22 Sep. 2025
God will always be the sole source of each one’s invariable, operable, ceaseless good.
—Jan Keeler Vincent, Christian Science Monitor, 15 Aug. 2025
The invariable staleness of manufactured chips that are not just-made will clash with the freshness of your guacamole’s flavors.
—Tribune News Service, San Diego Union-Tribune, 19 Mar. 2025
Step 12: Pay attention to the progression—the invariable, inexorable progression.
—Barbara Kellerman, Fortune, 6 Mar. 2024
The almost invariable promises to improve security after records are stolen contradicts the endless assurances that these companies and institutions take security seriously.
—Steven Levy, WIRED, 12 Jan. 2024
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Adjective
Exoplanets with orbits tilted with respect to their invariable plane could disrupt the rest of their system.
—Doris Elin Urrutia, Space.com, 8 June 2026
Among other things, Marx is invoking the algebraic distinction between known and invariable (constant) and unknown (variable) values.
—Literary Hub, 22 Sep. 2025
God will always be the sole source of each one’s invariable, operable, ceaseless good.
—Jan Keeler Vincent, Christian Science Monitor, 15 Aug. 2025
The invariable staleness of manufactured chips that are not just-made will clash with the freshness of your guacamole’s flavors.
—Tribune News Service, San Diego Union-Tribune, 19 Mar. 2025
Step 12: Pay attention to the progression—the invariable, inexorable progression.
—Barbara Kellerman, Fortune, 6 Mar. 2024
The almost invariable promises to improve security after records are stolen contradicts the endless assurances that these companies and institutions take security seriously.
—Steven Levy, WIRED, 12 Jan. 2024
Cite this Entry
“Invariable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invariable. Accessed 19 Jun. 2026.
Copy CitationKids Definition
invariable
adjective
in·vari·able
(ˈ)in-ˈver-ē-ə-bəl
-ˈvar-
: not changing or capable of change
an invariable routine
invariable
noun
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