demonstrate
verb (used with object)
to make evident or establish by arguments or reasoning; prove.
had demonstrated
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past perfectof demonstrate.past perfect
Used to express a completed action that took place before another specific past action occurred.
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.
"Many candidates who had demonstrated strong mathematical ability throughout their studies found themselves unable to complete substantial sections of the paper within the allotted time", says the petition.
From BBC ● Jun. 5, 2026
Speaking to Talking Politics, Sir Keir said the events of the past two months had demonstrated why the UK needed to have "energy independence".
From BBC ● Apr. 9, 2026
In his March 27 order granting the temporary restraining order, Nunley said DirecTV had demonstrated that it could prevail at a trial due to the merits of its arguments.
From Los Angeles Times ● Apr. 7, 2026
Alma David, the U.S. attorney working with Fru, said their clients had demonstrated to a U.S. immigration court that they faced a greater-than-50% chance of being persecuted back home.
From The Wall Street Journal ● Feb. 20, 2026
The previous night Brooklyn had demonstrated impressive natural spy skills, but if she wanted to be ready for a high-level operation in three weeks, she needed to prepare around the clock.
From "City Spies" by James Ponti
