demonstrate
verb (used with object)
to make evident or establish by arguments or reasoning; prove.
have demonstrated
-
present perfectof demonstrate.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For the first time, researchers have demonstrated that molecules attached to a surface can reach the ultimate quantum limit of optical coherence, overcoming a major obstacle that has long restricted molecular quantum research.
From Science Daily ● Oct. 20, 2026
A few small studies have demonstrated that pain is reduced, while others have not.
From MarketWatch ● Oct. 8, 2026
The administration is testing powerful models before they are released publicly, but recent hacks by AI models have demonstrated the need for stronger reviews when models are being trained and developed, industry executives say.
From The Wall Street Journal ● Sep. 30, 2026
Since the law’s voter-approved repeal, students receiving bilingual instruction have demonstrated higher academic achievement across subjects and higher rates of English proficiency compared with students who received instruction in English only, Garcia Bedolla said.
From Los Angeles Times ● Sep. 24, 2026
Since the Ferguson protests, participants in the Black Lives Matter movement have demonstrated against the deaths of many other African Americans killed by police actions or while in police custody.
From "1919 The Year That Changed America" by Martin W. Sandler
