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Synonyms

research

American  
[ri-surch, ree-surch] / rɪˈsɜrtʃ, ˈri sɜrtʃ /

noun

  1. diligent and systematic inquiry or investigation into a subject in order to discover or revise facts, theories, applications, etc..

    recent research in medicine.

    Synonyms:
    study, scrutiny
  2. a particular instance or piece of research.


verb (used without object)

researches, present (3rd person singular) researched, past participle, past researching present participle
  1. to make researches; investigate carefully.

verb (used with object)

researches, present (3rd person singular) researched, past participle, past researching present participle
  1. to make an extensive investigation into.

    to research a matter thoroughly.

    Synonyms:
    scrutinize, examine, inquire, study
research British  
/ ˈriːsɜːtʃ, rɪˈsɜːtʃ /

noun

  1. systematic investigation to establish facts or principles or to collect information on a subject

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to carry out investigations into (a subject, problem, etc)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Synonym Usage

See investigation.

Other Word Forms

Derived Forms

Etymology

Origin of research

First recorded in 1570–80; (verb) from Middle French recercher “to seek,” Old French, equivalent to re- re- + cercher search; (noun) from Middle French recerche

Explanation

In their spare time, teenagers LOVE doing extra research, by investigating the facts of a certain subject and studying and recording what they learn. And if you believe that, you need to do more research on the habits of teenagers. Research comes from the Old French word recercher, meaning "seek out," or "search closely." When you do research, you are searching for knowledge and facts. Although you write plenty of research papers in college, on anything from the Industrial Revolution to the meaning behind a fur-lined teacup, the term is often used when talking about science, because scientists use step-by-step research to prove what is true, or not true, in their line of work.

Keep Reading on Vocabulary.com

Vocabulary lists containing research

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.

The research demonstrates that a "green monopropellant" originally developed by the U.S.

From Science Daily • Jun. 10, 2026

“What the research tells us is a little more nuanced. You really want flexibility. You want a hormonal system that can adapt to the different demands of your life.”

From Los Angeles Times • Jun. 10, 2026

The upcoming SpaceX IPO is currently creating wobbles for other equities, Thomas Lee, managing partner and head of research at the New York-based boutique firm, wrote in a note on Tuesday.

From MarketWatch • Jun. 10, 2026

“We’re very much starting to see the U.S. manufacturing base accelerate and influence freight volumes,” said Daniel Moore, a senior research analyst at financial services firm Baird.

From The Wall Street Journal • Jun. 10, 2026

She knew from her research that he was an Arcanum instructor with at least an eighth degree in his marvel.

From "The Marvellers" by Dhonielle Clayton

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