[ ree-surch ]
/ riˈsɜrtʃ /

verb (used with or without object)

to search or search for again.

Origin of re-search

First recorded in 1740–50; re- + search

Can be confused

re-search research

Definition for researched (2 of 2)


[ 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.

Origin of research

1570–80; (v.) < Middle French recercher to seek, Old French, equivalent to re- re- + cercher to search; (noun) < Middle French recerche


4 study, inquire, examine, scrutinize.

Related forms

re·search·a·ble, adjectivere·search·er, re·search·ist, nounpro·re·search, adjectiveun·der·re·search, verb (used with object)

Can be confused

re-search research Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for researched

British Dictionary definitions for researched


/ (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, adjectiveresearcher, noun

Word Origin for research

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