invariable

American  

[in-vair-ee-uh-buhl] / ɪnˈvɛər i ə bəl /

adjective

1. not variable; not changing or capable of being changed; static or constant.

   Synonyms:

   invariant, changeless, unchanging, unalterable, immutable, unvarying

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noun

1. something that is invariable; a constant.

invariable British  

/ ɪnˈvɛərɪəbəl /

adjective

1. not subject to alteration; unchanging

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noun

1. a mathematical quantity having an unchanging value; a constant

Other Word Forms

• invariability noun
• invariableness noun
• invariably adverb

Etymology

Origin of invariable

late Middle English word dating back to 1400–50; in- ³, variable

Example Sentences

When reporters asked if he had the stamina for another campaign, his invariable response was: “Watch me.”

From Los Angeles Times • Jul. 22, 2024

“The ball will always find you” is not, of course, an invariable truth.

From Seattle Times • Sep. 15, 2023

He reiterated “the invariable battle principle of power for power and head-on contest,” according to the Korean Central News Agency.

From Washington Post • Jun. 13, 2022

Certain components like turkey and stuffing may seem invariable, but the preparations are so individualistic and the sides so diverse that pinpoint pairings feel like futile fussiness.

From New York Times • Nov. 4, 2021

The invariable reaction to a scene with Gebu had begun to set in, a fatigue so deep it penetrated mind and body alike.

From "The Golden Goblet" by Eloise Jarvis McGraw