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demonstrably

American  
[dih-mon-struh-blee] / dɪˈmɒn strə bli /

adverb

  1. in a way that can be demonstrated or proved.

    Privatization may be good for the government contractors who profit, but it's demonstrably less efficient in sectors like health care.

  2. very evidently; obviously.

    Earlier in the game, the wide receiver was demonstrably agitated about not getting the ball enough.


Other Word Forms

Derived Forms

Etymology

Origin of demonstrably

demonstrab(le) ( def. ) + -ly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

AppLovin called the allegations “absurd and demonstrably false.”

From Barron's • May 27, 2026

Easy because it is demonstrably false: The English language acquisition rate among immigrants, for example, was relatively high even at the turn of the 20th century.

From Slate • May 26, 2026

Basoo told the BBC that Carling's claims were "demonstrably false."

From BBC • Apr. 12, 2026

Democratic systems depend on something more demanding: the ability to tolerate disagreement, engage with complexity and distinguish between what feels true and what is demonstrably so.

From The Wall Street Journal • Mar. 26, 2026

The sleek shells that resulted from the process were not only more beautiful than the Spanish cedar shells but also demonstrably faster.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

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