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.

"This means that the clouds surrounding the Solar System are linked to a stellar explosion. And for the first time, this gives us the opportunity to investigate the origin of these clouds," says Koll.

From Science Daily • May 14, 2026

Thomson said the main aim is to investigate potential treatments and a vaccine.

From BBC • May 14, 2026

She added: "We must allow police to investigate and refrain from speculation at this time."

From BBC • May 13, 2026

Enter Dell Chandler, a failed English professor turned bootstrapping private detective, hired by Dr. Cutty to investigate.

From Los Angeles Times • May 12, 2026

He turned to Mr. Johnson, saying, "If it's okay with you, I'll bring the girls to the petting zoo so they can investigate this mystery."

From "Pony Problems: Nancy Drew and the Clue Crew, #3" by Carolyn Keene

Vocabulary lists containing investigate

Jim Burke's Academic Vocabulary List

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

List 8

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Word Generation Science - Preparing a Scientific Investigation

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!