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

But Hadler does not believe that fibromyalgia should be classified as a disease in the traditional biomedical sense, because medicine has yet to identify a discrete, demonstrable pathophysiological process underlying it. —Jason Liebowitz, The Atlantic, 12 May 2026

So maybe this is just an intriguing talking point more than anything scientifically demonstrable. —Kansas City Star, 7 May 2026

His perspective reflects a broader shift in expectations, where credibility is no longer established through messaging alone but through demonstrable outcomes. —Jason Phillips, USA Today, 22 Apr. 2026

Noem was removed from her position following demonstrable failures in her management of the Department of Homeland Security, including misrepresenting a $220 million advertising campaign to Congress and inadequate emergency response coordination. —Los Angeles Times, 5 Apr. 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