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

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

From Washington Post

Within the shift of generations is the invariable passing of roles from one dancer to the next, and what is vividly apparent is that these ballets were made on specific people.

From New York Times

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

While Bryce reported that “the almost invariable cause of death given is tuberculosis,” he by no means saw this as natural or inevitable.

From Scientific American

Judge James Wynn, an Obama appointee, wrote that the trial judge “gave insufficient deference to the ‘almost invariable assumption of the law’ that the jury was capable of following its … instructions.”

From Seattle Times