investigate
verb (used with object)
to examine, study, or inquire into systematically; search or examine into the particulars of; examine in detail.
have investigated
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present perfectof investigate.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.
Scientists have investigated another possibility: using T cells from healthy donors to create treatments ahead of time that could be stored and given to many different patients.
From Science Daily ● Sep. 11, 2026
UC had carefully laid out the road map: One work group would have investigated “the advantages and disadvantages” of relying on SAT and ACT scores and California’s 11th-grade Smarter Balanced assessment.
From Los Angeles Times ● Jul. 13, 2026
More recently, researchers in Germany have investigated the genetics of female pattern hair loss, which typically involves hair loss at the top of the head.
From BBC ● Jun. 3, 2026
And if talk of Mr. Swalwell’s alleged exploits hadn’t been swirling on social media, would reporters have investigated or reported them?
From The Wall Street Journal ● Apr. 19, 2026
Highways, farms, and housing developments have destroyed most of them, and scientists have investigated only a small fraction of the survivors.
From "1491" by Charles C. Mann
