Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “research”


noun [U]  /ˈri·sɜrtʃ, rɪˈsɜrtʃ/ us  
a detailed study of a subject in order to discover information or achieve a new understanding of it: medical/scientific research The US government has funded some research on high-speed trains. I like doing research.
verb [I/T]  /rɪˈsɜrtʃ, ˈri·sɜrtʃ/ us  
[T] Obviously they didn’t research it and get enough information.
noun [C]  /rɪˈsɜr·tʃər, ˈriˌsɜr-/ us  
(Definition of research from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of research?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “research”

Definitions of “research” in other dictionaries

Word of the Day


to throw or drop something carelessly

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More