b : to cause illness, symptoms, etc., in (someone or something) a disease that affects millions of patients each year

What's the difference between affect and effect? Affect is most commonly used as a verb meaning to act on or produce a change in someone or something.

Is there some concept, identifiable as 'perception', which affects or controls a human being's knowledge of the surrounding landscape?

When something affects someone or something, it influences them or causes them to change. ...decisions that would affect me for the rest of my life.

affect somebody/something to produce a change in somebody/something. How will these changes affect us? The article deals with issues affecting the lives of children. Thousands of …

Affect, in psychology, is the underlying experience of feeling, emotion, attachment, or mood. [1] It encompasses a wide range of emotional states and can be positive (e.g., happiness, joy, …

Generally, we use affect as a verb (an action word) and effect as a noun (an object word). What Does Affect Mean? The verb affect means “to act on; produce a change in” as in, “The cold …

Dec 23, 2025 · Affect and effect are sometimes confused. Affect conveys influence over something that already exists, but effect indicates the manifestation of new or original ideas or …

affect is a verb, affected and affectionate are adjectives, affection is a noun: Nothing seems to affect him. The way he speaks is affected and phony. The cat is friendly and affectionate. She …

affect meaning, definition, what is affect: to do something that produces an effect ...: Learn more.