demonstrate
verb (used with object)
to make evident or establish by arguments or reasoning; prove.
has been demonstrating
-
present perfect progressiveof demonstrate (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
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.
On the southern shore of Lake Ontario, a short drive from Niagara Falls, Google has been demonstrating how it can use Nvidia’s own playbook to win customers.
From The Wall Street Journal ● Jun. 19, 2026
According to the institute, the US has been demonstrating similar "concerning" trends - trends they say are moving at a pace unprecedented in modern American history.
From BBC ● Sep. 27, 2025
“We’re peaceful people,” said one man, who has been demonstrating in the county for 25 years.
From Los Angeles Times ● Aug. 7, 2024
A coalition of opposition and civil society groups, the National Front for the Defense of the Constitution, has been demonstrating against the referendum, and called for further protests this week.
From Washington Times ● Mar. 23, 2020
Ippolito has been demonstrating the mastery of wine over matter.
From The Net by Rex Ellingwood Beach
