Affect is both a noun and a verb, but the verb is far more common; it means "to act on or change someone or something," as in "The change will affect everyone."

AFFECT definition: to act on; produce an effect or change in. See examples of affect used in a sentence.

AFFECT definition: 1. to have an influence on someone or something, or to cause a change in someone or something: 2…. Learn more.

Affect means to bring about a change, to move emotionally, or to infect, as a disease. Its core meaning is to evoke a usually strong mental or emotional response from.

Definition of affect verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

If something affects a person or thing, it influences them or causes them to change in some way. Nicotine adversely affects the functioning of the heart and arteries. More than seven million …

Affect is usually a verb meaning "to produce an effect upon," as in "the weather affected his mood." Effect is usually a noun meaning "a change that results when something is done or …

to move emotionally; touch. Her distress did not affect him. to have a harmful impact on. Heavy drinking can affect the liver. in psychology, emotion, feeling, or response. The drug helped the …

Affect is most often used as a verb meaning “to have an impact on,” as in “The tornado barreling towards us will affect our picnic plans.”

The noun effect means "result, consequence'': the serious effects of the oil spill. The noun affect1 pronounced with the stress on the first syllable, is a technical term in psychology and psychiatry.