Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “effect”

effect

noun uk   /ɪˈfekt/ us  

effect noun (RESULT)

B1 [C or U] the result of a particular influence: The radiation leak has had a disastrous effect on/upon the environment. I tried taking tablets for the headache but they didn't have any effect. I think I'm suffering from the effects of too little sleep. She has a lot of confidence which she uses to good effect (= to her advantage) in interviews.
See also
take effect C1 to produce or achieve the results you want: They had to wait ten minutes for the anaesthetic to take effect before they stitched up the cut. for effect If you say or do something for effect, you intentionally do it to shock people or attract their attention: I get the impression that she uses bad language in meetings for effect. in effect C2 in fact, or in practice: So in effect the government have lowered taxes for the rich and raised them for the poor. to that effect (also to the effect that) used to express that what you are reporting is only a short and general form of what was really said: She said she was unhappy, or words to that effect. He said something to the effect that he would have to change jobs if the situation continued.

effect noun (USE)

C2 [U] 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.

effect noun (THEATRE, ETC.)

effects [plural] (also special effects) B1 lighting, sounds, and objects that are specially produced for the stage or a film and are intended to make something that does not exist seem real: This is a movie worth seeing for its effects alone.

effect noun (POSSESSIONS)

effects [plural] specialized a person's possessions, especially after their death: It says on the form that the insurance covers all personal effects.

effect

verb [T] uk   /ɪˈfekt/ formal us  
(Definition of effect from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of effect?
Add Cambridge dictionaries to your browser to your website

Definitions of “effect” in other dictionaries

Word of the Day

see the light of day

When something sees the light of day, it appears for the first time.

Word of the Day

Highly delighted, bitterly disappointed, ridiculously cheap: adverbs for emphasis.

by Liz Walter,
October 22, 2014
We often make adjectives stronger by putting an adverb in front of them. The most common ones are very and, for a stronger meaning, extremely: He was very pleased. The ship is extremely large. However, we don’t use very or extremely for adjectives that already have a strong meaning, for example fantastic,

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More