The words effect and affect are often confused. The most common use of effect is as a noun referring to a change or result.

effect noun (THEATRE, ETC.) effects [ plural ] (also special effects) B1 lighting, sounds, and objects that are specially produced for the stage or a film and are intended to make something that does not exist …

If something has an effect on something or someone, it changes or influences that thing or person in some way. The new regulations may have an effect on small businesses. It could have effects on …

Definition of effect noun from the Oxford Advanced Learner's Dictionary. [countable, uncountable] a change that somebody/something causes in somebody/something else; a result. What are the long …

Effect appears less often as a verb, but when it does, it means “produce.” Usually, it’s a noun. It can even refer to your belongings, like when you get kicked out and your former roomie begs you to get …

List of effects This is a list of names for observable phenomena that contain the word “effect”, amplified by reference (s) to their respective fields of study.

Define effects. effects synonyms, effects pronunciation, effects translation, English dictionary definition of effects. n. 1. Something brought about by a cause or agent; a result. 2. The power to produce an …

effect meaning, definition, what is effect: a change that is caused by an event, act...: Learn more.

Effect, consequence (s), result refer to something produced by an action or a cause. An effect is that which is produced, usually more or less immediately and directly: The effect of morphine is to …

Jun 17, 2025 · Affect means “to cause a change or make a difference to someone or something,” while effect means “a result of an action or other cause.”