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English definition of “affect”

affect

verb [T]     /əˈfekt/
CAUSE CHANGE B2 to influence someone or something, or cause them to change : It's a disease which affects many older people . The building was badly affected by the fire .ChangingAdapting and modifying Adapting and attuning to somethingChanging frequentlyAffecting and influencing
CAUSE EMOTION B2 to cause a strong emotion , especially sadness : [often passive] I was deeply affected by the film .Making people sad, shocked and upsetStrong feelings
(Definition of affect verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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