in-depth investigation

USAGE SUMMARY

The phrase "in-depth investigation" is correct and usable in written English.
It is often used to signify when there has been a thorough examination of something. For example: "The police conducted an in-depth investigation into the disappearance of the suspect."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"This incident is currently under in-depth investigation by Eurocopter.

Independent

Ms. Rosenthal's practice, like Ms. Irons's, involves in-depth investigation.

The New York Times

However, there appears no in-depth investigation on dispersion phenomena.

Journal of Sound and Vibration

In 2013, I embarked on an in-depth investigation of civil asset forfeiture for this magazine.

The New Yorker

"Therefore, we have opened an in-depth investigation to assess the proposed merger".

The New York Times

It's just a little bit of information that leads to a more in-depth investigation.

The New York Times

Well, an in-depth investigation of John's mind may not be all that rewarding.

The Guardian - Film

Railways minister Sheng Guangzu ordered an in-depth investigation of the accident.

The Guardian

A broad release would vastly diminish the possibility of an in-depth investigation.

The New York Times

That kind of in-depth investigation would be worthy, the GWU researchers said.

The Washington Post

In addition, the environmental journalist Fred Pearce conducted an in-depth investigation for the Guardian.

The Guardian

Expert writing Tips

Best practice

Use "in-depth investigation" to signal that a subject has been explored with meticulous attention to detail.

Common error

Avoid using "in-depth investigation" in casual or informal settings. Simpler phrases like "looking into" or "checking out" may be more appropriate.

Linguistic Context

The phrase "in-depth investigation" functions primarily as a noun phrase, often acting as the object of a verb or the subject complement. It denotes a specific type of examination that is characterized by its thoroughness and detail. As Ludwig AI notes, it's a correct and usable phrase.

Expression frequency: Very common

Frequent in

News & Media

37%

Science

35%

Academia

19%

Less common in

Formal & Business

6%

Wiki

2%

Reference

1%

Ludwig's WRAP-UP

The phrase "in-depth investigation" is a grammatically sound and frequently used term, as confirmed by Ludwig AI. It signifies a thorough and detailed examination across diverse fields, primarily in News & Media, Science, and Academia. While versatile, it's best suited for formal and neutral contexts, signaling a serious and meticulous inquiry. Alternatives like "thorough examination" or "detailed inquiry" can be used depending on the specific nuance you wish to convey. Remember to reserve "in-depth investigation" for situations demanding a rigorous and comprehensive approach.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

in-depth analysis

It shortens the phrase omitting the word investigation, focusing on the act of analysis.

thorough examination

Replaces "investigation" with "examination", focusing on the detailed inspection aspect.

detailed inquiry

Substitutes "investigation" with "inquiry", emphasizing the process of asking questions and gathering information.

comprehensive analysis

Replaces the entire phrase to highlight the analytical aspect of a thorough study.

extensive study

Focuses on the breadth and scale of the investigation, implying a large amount of research.

rigorous probe

Emphasizes the strict and careful nature of the investigation.

close scrutiny

Highlights the careful and detailed observation involved in the investigation.

exhaustive inquiry

Stresses the completeness and thoroughness of the investigation.

searching exploration

Replaces "investigation" with "exploration", emphasizing the act of discovery and uncovering information.

profound assessment

Shifts the focus to evaluating and judging the significance of something after a deep dive.

FAQs

What does "in-depth investigation" mean?

An "in-depth investigation" signifies a thorough and detailed examination of a subject, issue, or event. It implies a comprehensive approach to uncovering facts and understanding complexities.

How can I use "in-depth investigation" in a sentence?

You can use "in-depth investigation" to describe a process of detailed examination, such as: "The journalist conducted an "in-depth investigation" into the company's financial records."

What are some alternatives to "in-depth investigation"?

Alternatives to "in-depth investigation" include "thorough examination", "detailed inquiry", or "comprehensive analysis", depending on the specific context.

When is it appropriate to use "in-depth investigation" versus "investigation"?

"In-depth investigation" is best used when emphasizing the thoroughness and detail of the inquiry. A simple "investigation" might suffice for less rigorous or preliminary examinations.