Thesaurus results for INVESTIGATION

investigation

noun

Definition of investigation

as in inquiry

a systematic search for the truth or facts about something officials launched an extensive investigation of the plane crash

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of investigation During the investigation, police were alerted to two shooting victims who had walked into area hospitals, including Chance. — Adam Thompson, CBS News, 20 Aug. 2026 The investigation into the shocking death of Hayden Panettiere has been joined by the Drug Enforcement Administration, a source familiar with the matter told The New York Times. — Charisma Madarang, Rolling Stone, 20 Aug. 2026 The investigation continues, and some facts could change as witnesses are interviewed and evidence is examined, Brown said. — Phil Helsel, NBC news, 20 Aug. 2026 The Drug Enforcement Administration has joined the investigation into Hayden Panettiere’s death, according to ABC News. — Jack Dunn, Variety, 20 Aug. 2026 Toxicology tests, which are standard in many death investigations, could take weeks to complete. — Holly Yan, CNN Money, 20 Aug. 2026

Recent Examples of Synonyms for investigation

Noun

Anne Arundel County Public Schools previously responded to inquiries about the joint statement from the DOJ and Education Department.

— Adam Thompson, CBS News, 20 Aug. 2026
By Tuesday afternoon, more than 107,000 people had signed an open letter calling on the government to commission a public inquiry into media coverage of Arday.

— ABC News, ABC News, 19 Aug. 2026

Definition of inquiry

Noun

Once removed by helicopter, the wreckage will likely have to be flown out on a cargo plane for examination.

— Irene Byon, NBC news, 21 Aug. 2026
On cross examination, Sprague asked about Clancy's tone after checking out of McLean Hospital after being admitted to the psychiatric facility for five days in January 2023.

— Melina Khan, USA Today, 21 Aug. 2026

Definition of examination

Noun

Even without the question of more victims, the Manson case presented a new exploration of true crime, and the way the public processes it.

— Elisabeth Garber-Paul, Rolling Stone, 16 Aug. 2026
Crescent Energy Crescent Energy (CRGY) is an exploration and production company with activities focused in the Eagle Ford, Permian and Uinta Basins.

— , CNBC, 16 Aug. 2026

Definition of exploration

Noun

The new study instead places particular emphasis on a continent-scale rift-flank escarpment formed during Rodinia’s breakup.

— Kaif Shaikh, Interesting Engineering, 21 Aug. 2026
However, according to the latest study, there was no evidence of trauma or pathological conditions on her remains that could have led to her death.

— Katie Hunt, CNN Money, 21 Aug. 2026

Definition of study

Noun

In January 2005, the European Space Agency’s Huygens probe — carried to Saturn by NASA’s Cassini spacecraft — became the first and only spacecraft to land on the mysterious moon.

— Jamie Carter, Forbes.com, 18 Aug. 2026
Carr asserted that the timing was a coincidence and the license review was related to his DEI probe.

— Brian Stelter, CNN Money, 18 Aug. 2026

Definition of probe

Noun

Luke Montrose, a professor at Colorado State University whose research focuses in part on the impact of wildfire smoke on disease risk, said glutathione has anti-inflammatory properties.

— ABC News, ABC News, 23 Aug. 2026
Loneliness can have a significant impact on your mental health, research has shown.

— Amen Galinato, CNN Money, 23 Aug. 2026

Definition of research

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investigating

investigation

investigations

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“Investigation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/investigation. Accessed 23 Aug. 2026.

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Synonyms of investigation

noun

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