Why was "tantrum" trending last week?


[ri-surch, ree-surch] /rɪˈsɜrtʃ, ˈri sɜrtʃ/
diligent and systematic inquiry or investigation into a subject in order to discover or revise facts, theories, applications, etc.:
recent research in medicine.
a particular instance or piece of research.
verb (used without object)
to make researches; investigate carefully.
verb (used with object)
to make an extensive investigation into:
to research a matter thoroughly.
1570-80; (v.) < Middle French recercher to seek, Old French, equivalent to re- re- + cercher to search; (noun) < Middle French recerche
Related forms
researchable, adjective
researcher, researchist, noun
proresearch, adjective
underresearch, verb (used with object)
Can be confused
re-search, research.
1. scrutiny, study. See investigation. 4. study, inquire, examine, scrutinize. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for researchers
  • Sort of, if the communication is learned rather than innate, researchers say.
  • For years many researchers have claimed that salt threatens public health by contributing to high blood pressure.
  • researchers have made a flurry of discoveries related to memory loss recently.
  • researchers have learned how to manipulate genes in plants and animals, and to a much lesser extent, in humans.
  • Archaeological finds worldwide have helped researchers to fill out the story of human evolution and migration.
  • researchers have long wondered whether migratory birds return to their birthplace to breed.
  • Carnivores, the researchers found, chewed on fresh bones that had lots of marrow and lots of meat attached to them.
  • It was no small task, but researchers have solved a long-term mystery-how fleas jump.
  • researchers have confirmed a long-suspected link between logging and the devastation of forest fires in tropical rain forests.
  • researchers say they have shown for the first time that humpback whale calves make sounds.
British Dictionary definitions for researchers


/rɪˈsɜːtʃ; ˈriːsɜːtʃ/
systematic investigation to establish facts or principles or to collect information on a subject
to carry out investigations into (a subject, problem, etc)
Derived Forms
researchable, adjective
researcher, noun
Word Origin
C16: from Old French recercher to seek, search again, from re- + cercher to search
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
Cite This Source
Word Origin and History for researchers



1570s, "act of searching closely," from Middle French recerche (1530s, Modern French recherche), back-formation from Old French recercher (see research (v.)). Meaning "scientific inquiry" is first attested 1630s. Phrase research and development is recorded from 1923.


1590s, from Middle French recercher, from Old French recercher "seek out, search closely," from re-, intensive prefix (see re-), + cercher "to seek for" (see search (v.)). Related: Researched; researching.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for research

Most English speakers likely know this word

Word Value for researchers

Scrabble Words With Friends

Quotes with researchers

Nearby words for researchers