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.

"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

The Labour government recently proposed giving councils new powers to force fly-tippers to clean up waste they have dumped, and giving the Environment Agency police-style powers to investigate major waste sites.

From BBC • Jun. 10, 2026

It is far wiser to investigate now than to spend the next century composing another apology.

From The Wall Street Journal • Jun. 10, 2026

Now, federal officials will investigate possible violations and factors that could have contributed to the incident.

From Los Angeles Times • Jun. 10, 2026

“I finally have a chance to go to the attic and investigate where, um, you got hurt,” Ophie said.

From "Ophie's Ghosts" by Justina Ireland

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!