investigate

[in-ves-ti-geyt] / ɪnˈvɛs tɪˌgeɪt /

VERB

check into thoroughly

Synonyms

STRONGEST

consider examine explore inspect interrogate probe question review scrutinize search study

STRONG

bug case delve dig eyeball frisk inquire muckrake poke prospect pry read reconnoiter research scout sift spy tap wiretap

WEAK

be all ears check out check over check up feel out give the once-over go into inquisite listen in look into look over make inquiry nose around put to the test run down stake out

Antonyms

STRONGEST

answer forget ignore neglect reply

STRONG

leave alone overlook

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.

To investigate this idea, the scientists designed a controlled experiment using different caffeine levels.

From Science Daily • Apr. 18, 2026

French prosecutors in July asked for access to X’s algorithm to investigate whether it was biased.

From The Wall Street Journal • Apr. 18, 2026

The FBI is continuing to investigate the case, with three other defendants - all based in America and in their 20s - also facing criminal charges.

From BBC • Apr. 17, 2026

Detectives have been assigned to investigate the five burglaries.

From Los Angeles Times • Apr. 16, 2026

It’s another to think of him looking on his own, trying to investigate my past.

From "The Brightwood Code" by Monica Hesse

Vocabulary lists containing investigate

Jim Burke's Academic Vocabulary List

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List 8

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Word Generation Science - Preparing a Scientific Investigation

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