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.

Researchers are also continuing to investigate the effects of other amino acids that showed signs of influencing stem cell behavior.

From Science Daily • May 21, 2026

The company struck an agreement with the Air Force a few years ago to investigate the concept for the military.

From The Wall Street Journal • May 21, 2026

Ofcom has the power to investigate and fine companies suspected of breaching these rules.

From BBC • May 21, 2026

But she said Channel 4 can't investigate the women's allegations, which the men have denied, adding: "We are a broadcaster, not an adjudicator."

From BBC • May 20, 2026

She dreaded what that meant but concentrated on one thing: she would finally have the opportunity to investigate Clara’s death and discover the secret of her end.

From "Ophie's Ghosts" by Justina Ireland

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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