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 also hope to investigate the chemical makeup of these worlds' atmospheres.

From Science Daily • Jun. 13, 2026

It also has full authority to review and reverse any investigation the Horseracing Authority makes into violations of the act, and can determine whom the Authority should investigate.

From Slate • Jun. 12, 2026

"Any threat against the president is taken very seriously by the department, and our US Park Police will investigate this incident and hold those responsible accountable," the spokesperson said in a statement.

From Barron's • Jun. 11, 2026

And if you aren’t moved by it, there is something wrong and you must investigate your sodden heart.

From The Wall Street Journal • Jun. 11, 2026

White preferred to investigate his cases alone, but given the number of murders and leads to follow, he realized that he would need to assemble a team.

From "Killers of the Flower Moon" by David Grann

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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