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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)

  1. to make researches; investigate carefully.

verb (used with object)

  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

Related Words

See investigation.

Other Word Forms

  • proresearch adjective
  • researchable adjective
  • researcher noun
  • researchist noun
  • underresearch verb (used with object)

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

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 UK government has been under pressure to bring in a statutory ban of smartphones in schools, although recent research suggested strict bans were not a "silver bullet".

From BBC • Apr. 3, 2026

It would also cut about $1.1 billion from the Energy Department’s Office of Science, which runs national laboratories and funds research into energy technology.

From Los Angeles Times • Apr. 3, 2026

Job candidates should research employers and industries and come to an interview with questions to ask, she said.

From MarketWatch • Apr. 3, 2026

I asked Mr. Spero and Ms. Russell if their research tested for this possibility.

From The Wall Street Journal • Apr. 3, 2026

Usually I loved greeting and meeting with all the furry creatures, but my mind was stuck on Fig and the grim possibilities my research had revealed.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas