Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “affect”

affect

verb [T] uk   /əˈfekt/ us  

affect verb [T] (INFLUENCE)

B2 to have an influence on someone or something, or to cause a change in someone or something: Both buildings were badly affected by the fire. The divorce affected every aspect of her life. It's a disease that affects mainly older people. I was deeply affected by the film (= it caused strong feelings in me).

affect verb [T] (PRETEND)

formal to pretend to feel or think something: To all his problems she affected indifference. formal mainly disapproving to start to wear or do something in order to make people admire or respect you: At university he affected an upper-class accent. He's recently affected a hat and cane.
(Definition of affect from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of affect?
Add Cambridge dictionaries to your browser to your website

Definitions of “affect” in other dictionaries

Word of the Day

yo

used as an informal greeting between people who know each other or as an expression of approval

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More