Definitions

investigation

[in-ves-ti-gey-shuhn] / ɪnˌvɛs tɪˈgeɪ ʃən /

NOUN

thorough check

Synonyms

STRONGEST

analysis case examination hearing inquiry inspection probe research review scrutiny search study survey

STRONG

exploration gander inquest inquisition observation quest sounding surveying

WEAK

delving fact-finding legwork observing probing quiz

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.

Critics of the process argued that the investigation had been mishandled, undermining confidence in the IOM.

From BBC • Jun. 9, 2026

Supporters of Khan, meanwhile, argue that the investigation failed to substantiate the allegations against him.

From BBC • Jun. 9, 2026

Those samples helped launch an investigation into a protein called GRK2, which has been the focus of Quitterer's research for many years.

From Science Daily • Jun. 8, 2026

The reports continue to be under investigation by the manufacturer and Target.

From Los Angeles Times • Jun. 8, 2026

The police investigation seemed to confirm that Guiteau had no accomplices.

From "Ambushed!" by Gail Jarrow

Vocabulary lists containing investigation

Florida EOC Biology 1

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Edge: Academic Vocabulary

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Miranda v. Arizona (1966): Syllabus

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