Definitions

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.

Political leaders and a TV star have expressed their sadness and shock at the death of Ann Widdecombe as police investigate the case as murder.

From BBC • Jul. 10, 2026

Sisilla’s mission is to investigate a metallic world of exiled plague victims gone incommunicado.

From The Wall Street Journal • Jul. 10, 2026

Food and Drug Administration, which are working with local public health authorities to investigate the cases in each state.

From Los Angeles Times • Jul. 10, 2026

This trend prompted researchers about two decades ago to investigate whether certain intestinal worms could be used to treat inflammatory conditions.

From Science Daily • Jul. 10, 2026

“That’s interesting. I think I remember something about your father. He was sent up north to a village to investigate a dragon. How did that turn out?”

From Anya and the Nightingale by Sofiya Pasternack

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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