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

Reduced breach probability, shorter mean time to detection and demonstrable avoidance of regulatory exposure are all arguments that land with boards. — Kumar Ritesh, Forbes.com, 22 July 2026

America has witnessed a proliferation of voting rights groups with sound justification and demonstrable results, but there comes a point when there may be too much of a good thing. — Jeffrey Sonnenfeld, Time, 28 June 2026

Christian Science teaches that the divine laws of Truth and Life, as demonstrated by Jesus and his disciples, continue to operate today as an eternal, demonstrable Science. — Alistair Budd, Christian Science Monitor, 24 June 2026

These improvements, and the demonstrable impact of public dollars, make the case for continued investment. — Brian Sherrod, CBS News, 16 June 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