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
Veronica Cristino and Hannah Coates, Vogue, 15 Apr. 2025
He’s gained recognition for his research into Hepatitis C, which is prevalent in his home country of Nigeria.
—Pamela Jew, Forbes.com, 15 Apr. 2025
Catherine Blackwood, Scientific American, 17 Apr. 2025
Arakawa reportedly researched symptoms associated with COVID-19.
—Brian Niemietz, New York Daily News, 16 Apr. 2025
See All Example Sentences for research
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Noun
Depression, anxiety, and mood disorders Scientific research shows that vitamin D may play a key role in balancing our mood and minimizing the risk of depression.
—Veronica Cristino and Hannah Coates, Vogue, 15 Apr. 2025
He’s gained recognition for his research into Hepatitis C, which is prevalent in his home country of Nigeria.
—Pamela Jew, Forbes.com, 15 Apr. 2025
Verb
As the institute has grown and evolved, its scientists now research construction, oil and gas extraction, firefighting, law enforcement and service work.
—Catherine Blackwood, Scientific American, 17 Apr. 2025
Arakawa reportedly researched symptoms associated with COVID-19.
—Brian Niemietz, New York Daily News, 16 Apr. 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 28 Apr. 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
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