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

• verifiable
• empiric
• 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

Cultivating robust data strength is essential for driving demonstrable business outcomes in today's competitive landscape. —Kamal Janardhan, Forbes.com, 14 Aug. 2025

Regular updates, transparent communication and demonstrable wins keep stakeholders invested throughout the journey. —Kerry Brown, Forbes, 14 Mar. 2025

Expanding direct cash supports, such as child tax credits, has demonstrable effects (and even figures like Vice-President J. D. Vance have endorsed this). —Idrees Kahloon, New Yorker, 28 July 2025

These frameworks demand demonstrable, uniform security controls across all access points handling sensitive data. —Etay Maor, Forbes.com, 24 July 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