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.

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Other Word Forms

• nondemonstrably
  adverb
• undemonstrably
  adverb

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Etymology

Origin of demonstrably

demonstrab(le) ( def. ) + -ly

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Example Sentences

See Examples For:

demonstrably

Warsh was demonstrably clear about one thing, in both the postmeeting statement and his press conference.

From Barron's ● Jun. 18, 2026

Because what we’re left with is a piece that asks us to take the problem seriously while the publication demonstrably does not.

From Slate ● May 5, 2026

In updated eligibility requirements, the Academy specified that only acting "demonstrably performed by humans" and that writing "must be human-authored" in order to be nominated for an award.

From BBC ● May 1, 2026

That has been countered by Ulmen's lawyer Schertz, who says the key points that have been reported about Ulmen are "demonstrably incomplete and incorrect" and subject to legal proceedings.

From BBC ● Mar. 28, 2026

These admirable institutions are demonstrably useful for the management of certain forms of mental disease, but that is another matter.

From "The Lives of a Cell" by Lewis Thomas

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