- past tense form of investigate.
- past participle of investigate.
investigated
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.
Southern California Edison has been investigated for its role in the Eaton fires, which killed 19 people and destroyed more than 9,000 homes and other structures in January 2025.
From Los Angeles Times ● Aug. 28, 2026
Alan Greer was investigated by police in 2002 and 2005 for making inappropriate phone calls to women, with one case resulting in a formal police caution.
From BBC ● Aug. 28, 2026
The FAA investigated the practice at Reagan National and found it was widespread, according to former FAA officials.
From The Wall Street Journal ● Aug. 27, 2026
Because the locus coeruleus contains many of these receptors, the researchers investigated whether they play a particularly important role in controlling pain there.
From Science Daily ● Aug. 27, 2026
After we investigated six corridors without finding the secret passage, and after all of Char’s buttons were gone, we climbed the back staircase.
From "Ella Enchanted" by Gail Carson Levine
