demonstrable

adjective

de·​mon·​stra·​ble di-ˈmän(t)-strə-bəl 

1

: capable of being demonstrated

2

: apparent, evident

demonstrability

di-ˌmän(t)-strə-ˈbi-lə-tē 

noun

demonstrably

di-ˈmän(t)-strə-blē 

adverb

Synonyms of demonstrable

• verifiable
• confirmable
• empirical

Examples of demonstrable in a Sentence

There is no demonstrable evidence that the treatment is effective.

as a serious scientist, she is only interested in demonstrable phenomena

Recent Examples on the Web

Gorsuch emphasized that Colorado—and other states—remain free to prohibit coercive or aversive practices and to regulate conduct that causes demonstrable harm. —MSNBC Newsweek, 31 Mar. 2026

Once your film already has the demonstrable artifice of re-enactments, why bother with the faux authenticity of reconstructed narration? —Daniel Fienberg, HollywoodReporter, 13 Mar. 2026

Qualifying is also relatively simple, too, as borrowers will need a balance over $7,500, approximately, a demonstrable hardship underlining their inability to pay and a recorded history of being behind on payments. —Matt Richardson, CBS News, 24 Feb. 2026

What people eat – or fail to eat – has a demonstrable effect on their gut microbiomes. —Bill Sullivan, The Conversation, 18 Feb. 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Kids Definition

demonstrable

adjective

de·​mon·​stra·​ble di-ˈmän(t)-strə-bəl 

: capable of being demonstrated or proved

demonstrably

-blē 

adverb