affect - Definition in the Essential American English Dictionary - Cambridge Dictionaries Online

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English definition of “affect”

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affect

verb
 
/əˈfekt/
to cause a change in someone or something: How will the new road affect the community?
If an illness affects someone, the person becomes ill: The disease affects older people.
to cause a strong emotion, especially sadness: Try not to let her criticism affect you.
(Definition of affect from the Websters Essential Mini Dictionary © Cambridge University Press)
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