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

• checkable
• confirmable
• empirical
• empiric
• provable
• supportable
• sustainable
• verifiable

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

Perhaps Newsom’s hoping that this new fight with Trump over immigration will make voters turn a blind eye to his demonstrable failures as an executive, and just in time for 2028. —S.e. Cupp, New York Daily News, 11 June 2025

This issue represents a pressing economic challenge in Pakistan, as well as other parts of the world: having a vast population with demonstrable financial discipline, yet for many, no pathway to formal credit. —Murtaza Ali, Forbes.com, 10 June 2025

Legal Protections in Practice Firms are increasingly turning to a mosaic of legal mechanisms to protect their proprietary algorithms: Patents can protect novel and non-obvious algorithms with demonstrable utility. —Christer Holloman, Forbes.com, 2 June 2025

There just isn’t any demonstrable proof of the clear benefits. —Laura Solla, Vogue, 30 May 2025

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