Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “effect”

effect

noun [U] (USE)    /ɪˈfekt/
C2 use: The present system of payment will remain in effect (= be used) until the end of the rental agreement. When do the new driving laws come into effect? The new salary increases will take effect (= begin) from January onwards.Using and misusing Grammar:Affect or effect?Affect is a verb meaning ‘influence or cause someone or something to change’:See more
(Definition of effect noun (USE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of effect

Definitions of “effect” in other dictionaries

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

Word of the Day

Blog

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