[ dih-mon-struh-blee ]


  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 Words From

  • non·de·mon·stra·bly adverb
  • un·de·mon·stra·bly adverb

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Word History and Origins

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Example Sentences

Readers learn in sometimes fulsome detail about the limits of “heroic medicine” — the delivery of treatments that had demonstrable effects.

ESPN reported the dip had a “demonstrable effect” on his free agent market before he landed with the Nationals.

It has demonstrable physiological and psychological benefits, they tell you.

For media sellers, a finely tuned attention metric helps give more demonstrable value to programming as those ratings fall.

From Digiday

The second one would be achieving demonstrable social benefit.

When Panetta became CIA director in 2009, he was demonstrably unqualified for the job.

In Hungary, the demonstrably anti-Semitic Jobbik party finished second.

But they are medical providers in their own right, ones who can demonstrably provide quality care.

He is demonstrably someone willing to invest for the long term.

But confronting the myriad problems that plague the region could be made demonstrably less difficult.

I select it merely as an example of a demonstrably vicious locution which ought indubitably to be banished from the language.

All these qualities serve some well-defined and demonstrably useful end.

Such an occurrence can be evidential only when the hair changes color demonstrably in the case of a witness.

But the a priori assumption that each Germanic tribe celebrated in song its own national heroes only is demonstrably incorrect.

Enough for proud philosophy to have done the thing demonstrably right, Gower's look at his Madge and the world said.