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 mystery, Weber's team analyzed a global dataset and used computer models.

From Science Daily • Apr. 16, 2026

That being so, Congress certainly has the power to investigate, if that’s what the president’s doing.

From Slate • Apr. 16, 2026

He called on the government to urgently investigate how widespread the issue was.

From BBC • Apr. 15, 2026

The Department of Homeland Security said it would investigate allegations that Rep. Eric Swalwell hired an undocumented nanny.

From Los Angeles Times • Apr. 13, 2026

Alarmed by their manner and their story, he decided to ride over to the Seward home to investigate the rumor of Seward’s death personally.

From "Chasing Lincoln's Killer" by James L. Swanson

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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