investigate
verb (used with object)
to examine, study, or inquire into systematically; search or examine into the particulars of; examine in detail.
has been investigating
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present perfect progressiveof investigate (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.
The NFL has been investigating an incident that led to Nacua being the defendant in a civil lawsuit.
From Los Angeles Times ● Sep. 8, 2026
New Zealand has been investigating a social media ban for over a year, after neighbouring Australia implemented its world-first legislation in December.
From Barron's ● Aug. 24, 2026
Ofwat has been investigating how wastewater and sewage networks are managed across the industry.
From BBC ● Jul. 8, 2026
Benjamin Gwinneth, a geography professor at Université de Montréal who studies environmental change and its impact on the Maya, has been investigating the Itzan archaeological site in present-day Guatemala.
From Science Daily ● Apr. 27, 2026
I know the period which he has been studying; and the definite historical individual whose life he has been investigating, and whose records he has been following up one by one with infinite patience.
From The Jewel of Seven Stars by Bram Stoker
