investigate

American

[in-ves-ti-geyt] / ɪnˈvɛs tɪˌgeɪt /

verb (used with object)

investigated, investigating

to examine, study, or inquire into systematically; search or examine into the particulars of; examine in detail.
to search out and examine the particulars of in an attempt to learn the facts about something hidden, unique, or complex, especially in an attempt to find a motive, cause, or culprit.

The police are investigating the murder.

verb (used without object)

investigated, investigating

to make inquiry, examination, or investigation.

investigate British

/ ɪnˈvɛstɪˌɡeɪt /

verb

to inquire into (a situation or problem, esp a crime or death) thoroughly; examine systematically, esp in order to discover the truth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

investigable adjective
investigative adjective
investigator noun
investigatory adjective
preinvestigate verb
preinvestigator noun
quasi-investigated adjective
reinvestigate verb
uninvestigated adjective
uninvestigating adjective
uninvestigative adjective
uninvestigatory adjective
well-investigated adjective

Etymology

Origin of investigate

First recorded in 1500–10; from Latin investīgātus, past participle of investīgāre “to follow a trail, search out”; in- ², vestige, -ate ¹

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 researchers investigated how caffeine consumed at different times of day influences inhibition and impulsivity using fruit flies.

From Science Daily

The presence of these stones also encouraged researchers to investigate further.

From Science Daily

The company announced on Reddit it was investigating an issue where usage limits were being hit faster than expected.

From BBC

They are also being investigated for potential gross misconduct.

From BBC

Cdr Helen Flanagan, head of Counter Terrorism Policing London, said officers have been working "continuously" to investigate and identify those responsible for the "appalling attacks".

From BBC

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023