re·​search | \ ri-ˈsərch How to pronounce research (audio) , ˈrē-ˌsərch How to pronounce research (audio) \

Definition of research

 (Entry 1 of 2)

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

Definition of research (Entry 2 of 2)

transitive verb

1 : to search or investigate exhaustively research a problem
2 : to do research for research a book

intransitive verb

: to engage in research

Other Words from research


researchable \ ri-​ˈsər-​chə-​bəl How to pronounce research (audio) , ˈrē-​ˌsər-​ \ adjective
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. See More
Recent Examples on the Web: Noun These companies often pay zero or near-zero rates of tax on that income, mostly by claiming perfectly legal tax deductions and credits for things like investments and research activity. Lisa De Simone, Fortune, 23 Sep. 2022 The hub aims to start a global network of vaccine research sites in developing nations. Adam Taylor, Washington Post, 23 Sep. 2022 That may be because long-haulers have impairments in their mitochondria, which generate energy cells can use, recent research suggests. Jamie Ducharme, Time, 23 Sep. 2022 Vanessa Rivera reported this story while attending Marquette University and working as a research assistant to Journal Sentinel reporter Guy Boulton. Vanessa Rivera,, 23 Sep. 2022 In Indianapolis, Roche took on four apprentices last school year to work in the finance, marketing and human resources departments, just not in research or manufacturing yet. Patrick O'donnell, The Indianapolis Star, 23 Sep. 2022 The University of Idaho’s plan to build the nation’s largest research dairy and experimental farm cleared a big hurdle Tuesday. From Usa Today Network And Wire Reports, USA TODAY, 23 Sep. 2022 Ekaterina Schulman said Ukraine had nearly 200,000 active duty soldiers at the start of the war, according to the International Institute for Strategic Studies, a British research institute in London. Phil Mccausland, NBC News, 23 Sep. 2022 Our health editors have vetted that these book recommendations are all based on reliable scientific research. Marisa Cohen, Good Housekeeping, 23 Sep. 2022 Recent Examples on the Web: Verb Visitors should take the time to research the destination beforehand to plan for more authentic experiences. Kathleen Wong, USA TODAY, 17 Sep. 2022 But the teeth then lay undisturbed for almost 50 years until Spassov and his team started to research them. Tom Metcalfe, NBC News, 1 Aug. 2022 The City Council voted unanimously Tuesday to implement the moratorium, which took effect immediately, and direct city staff to use the time to research potential changes to gun ordinances. Los Angeles Times, 27 July 2022 This pushed her to look for a biological explanation, but found there wasn’t much funding available to research it. Annalisa Merelli, Quartz, 18 May 2022 If an organization doesn't research its audience's needs, then the majority of its attempts will fail. Expert Panel®, Forbes, 30 Aug. 2021 Published in 2006, the 721-page book took Bird and Sherwin 25 years to research and write. Jazz Tangcay, Variety, 20 July 2022 Companies and organizations will have to research and embrace new ways of working, and those that do not adapt to the new consumer mindset and concerns will simply not be viable. Regan Hillyer, Forbes, 18 July 2022 Make sure to research and ask your vet before feeding your pet any new food that may not be safe or healthy for them. Liam Gravvat, USA TODAY, 15 July 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'research.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of research


1577, in the meaning defined at sense 3


1588, in the meaning defined at transitive sense 1

History and Etymology for research


Middle French recerche, from recercher to go about seeking, from Old French recerchier, from re- + cerchier, sercher to search — more at search

Learn More About research

Time Traveler for research

Time Traveler

The first known use of research was in 1577

See more words from the same year

Dictionary Entries Near research



research and development

See More Nearby Entries 

Statistics for research

Last Updated

25 Sep 2022

Cite this Entry

“Research.” Dictionary, Merriam-Webster, Accessed 3 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for research


re·​search | \ ri-ˈsərch How to pronounce research (audio) , ˈrē-ˌsərch \

Kids Definition of research

 (Entry 1 of 2)

: careful study and investigation for the purpose of discovering and explaining new knowledge

Other Words from research

researcher noun


researched; researching

Kids Definition of research (Entry 2 of 2)

: to search or investigate thoroughly Doctors researched the disease.

More from Merriam-Webster on research

Nglish: Translation of research for Spanish Speakers

Britannica English: Translation of research for Arabic Speakers Encyclopedia article about research


Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!