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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.

New research shows that the ranks of the affluent have grown markedly over the last 50 years or so, while the lower rungs of the middle class have shrunk.

From The Wall Street Journal • Apr. 5, 2026

The items will be initially kept at the museum's collection centre in Nantgarw - where they will be cared for and made available for research and potentially prepared for public display.

From BBC • Apr. 4, 2026

The tech giant is pursuing new research avenues that the company hopes will put its AI models on par with rivals, after inking a reworked deal with ChatGPT parent OpenAI in 2025.

From Barron's • Apr. 4, 2026

“I would give up any of our research funding to have the program continue with the tribe,” Jeffres said.

From Los Angeles Times • Apr. 4, 2026

We grabbed our purses and lunch bags, then followed the man over to the Maneuver Loads Branch of the Flight Research Division, where we were then assigned to an all-male research team.

From "Reaching for the Moon" by Katherine Johnson