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verb B2 Upper-Intermediate Common

investigate

ihn-VEHS-tuh-gayt
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Investigate (verb) means to look into something carefully in order to find out the facts. Example: “Scientists will investigate why the river water has turned a strange colour.”

verb
1
To look into something carefully in order to find out the facts.
"Scientists will investigate why the river water has turned a strange colour."
"Detectives were sent to investigate the break-in."
"The committee will investigate the cause of the delay."

How to use investigate

Learner’s notes

In plain EnglishTo dig into the facts of a situation to figure out what really happened.

Common pairings
investigate a crime investigate a complaint investigate further
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Word forms

Third person singular
investigates
Past tense
investigated
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Fill the gap

Can you complete this real example?

Scientists will _____ why the river water has turned a strange colour.

Etymology

From Latin investigare, "to track or search into" (in- + vestigare, "to track," from vestigium, "footprint" — the same root as "vestige").

Origin: Latin

Related words

Rhymes for investigate

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Frequently asked questions

What does “investigate” mean?
The word “investigate” means to look into something carefully in order to find out the facts. In plain terms, to dig into the facts of a situation to figure out what really happened.
How do you pronounce “investigate”?
“Investigate” is pronounced ihn-VEHS-tuh-gayt ([ɪnˈvɛs.tɪ.ɡeɪ̯t] in IPA).
How do you use “investigate” in a sentence?
Here is “investigate” used in a sentence: “Detectives were sent to investigate the break-in.”
What is another word for “investigate”?
Words with a similar meaning to “investigate” include underseek.
What part of speech is “investigate”?
“Investigate” is a verb.
Where does the word “investigate” come from?
The word “investigate” comes from Latin. From Latin investigare, "to track or search into" (in- + vestigare, "to track," from vestigium, "footprint" — the same root as "vestige").
Is “investigate” a common word?
“Investigate” is a fairly common word in modern English, usually learned at around the B2 level.
What is the difference between 'investigate' and 'research'?
To 'investigate' is to look into a specific matter carefully to uncover the facts, often about a problem, crime, or claim. 'Research' is broader study to gather knowledge on a subject and does not require a suspected issue to look into.
When should you use 'investigate' instead of 'examine'?
Use 'investigate' when you are trying to find out the truth or causes behind something, often systematically over time. 'Examine' suggests inspecting something closely at a given moment, so investigating usually implies a wider, ongoing inquiry.
Is 'investigate' followed by a preposition?
'Investigate' is usually used directly with an object, as in 'investigate the crime', with no preposition. You can also 'investigate into' a matter, but many style guides consider the plain form 'investigate the matter' cleaner.

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