re·search
ri-ˈsərch 
ˈrē-ˌsərch
ˈrē-ˌsərch
1
: studious inquiry or examination
especially
: investigation or experimentation aimed at the discovery and interpretation of facts, revision of accepted theories or laws in the light of new facts, or practical application of such new or revised theories or laws
2
: the collecting of information about a particular subject
3
: careful or diligent search
researched; researching; researches
1
: to search or investigate exhaustively
research a problem
2
: to do research for
research a book
: to engage in research
researcher
noun
Examples of research in a Sentence
Noun
She conducts research into the causes of Alzheimer's disease.
Recent research shows that the disease is caused in part by bad nutrition.
The study is an important piece of research.
He did a lot of research before buying his car.
Verb
He spent the summer researching his dissertation.
Before going out to eat, she researched area restaurants.
The reporter made hundreds of telephone calls while researching the story.
Recent Examples on the Web
New Atlas, 20 Oct. 2025
But there’s been no evidence that widespread voting fraud, by undocumented immigrants or others, has occurred in substantial, election-altering ways, according to years of research, litigation and election reviews.
—Michael Smolens, San Diego Union-Tribune, 19 Oct. 2025
Fayez Mohamood, Fortune, 20 Oct. 2025
To find out which ones are actually worth it, Glamour editors, contributors, and a team of in-home testers researched and evaluated more than 10 of the most popular ones, taking notes on everything from heat distribution and comfort to ease of use, cleanup, and portability.
—Brigitt Earley, Glamour, 20 Oct. 2025
See All Example Sentences for research
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Noun
The research was published in The New England Journal of Medicine.
—New Atlas, 20 Oct. 2025
But there’s been no evidence that widespread voting fraud, by undocumented immigrants or others, has occurred in substantial, election-altering ways, according to years of research, litigation and election reviews.
—Michael Smolens, San Diego Union-Tribune, 19 Oct. 2025
Verb
Your laptop buyers, your furniture shoppers, your customers researching the perfect gift aren’t browsing product grids anymore.
—Fayez Mohamood, Fortune, 20 Oct. 2025
To find out which ones are actually worth it, Glamour editors, contributors, and a team of in-home testers researched and evaluated more than 10 of the most popular ones, taking notes on everything from heat distribution and comfort to ease of use, cleanup, and portability.
—Brigitt Earley, Glamour, 20 Oct. 2025
See All Example Sentences for research
Cite this Entry
“Research.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/research. Accessed 25 Oct. 2025.
Copy CitationKids Definition
research
1 of 2 noun
re·search
ri-ˈsərch
ˈrē-ˌsərch
ˈrē-ˌsərch
1
: careful study and investigation for the purpose of discovering and explaining new knowledge
2
: the collecting of information about a subject
research
2 of 2 verb1
: to search or investigate thoroughly
research her options
2
: to do research for
research a book
researcher
noun
Love words? Need even more definitions?
Merriam-Webster unabridged
Share