In this article, you’ll learn the difference between affect vs. effect, with grammar explanations, everyday examples, and simple tips to help you remember which one to use. effect a result; an influence: His protest had no effect. [The words affect and effect are among the most frequently confused words. 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. Effect means consequence, outcome, upshot. EFFECT meaning: 1. the result of a particular influence: 2. to produce or achieve the results you want: 3. If you…. Learn more. “Affect” vs. “Effect”: What’s the Difference? Affect is usually used as a verb meaning to influence or produce a change in something, whereas effect is generally used as a noun that refers to a change resulting from something. EFFECT definition: 1. the result of a particular influence: 2. to produce or achieve the results you want: 3. If you…. Learn more. The words effect and affect are often confused. The most common use of effect is as a noun referring to a change or result. The words affect and effect are two of the most commonly confused words in the English language. They’re pronounced pretty much the same, used in the same contexts, and both can be used as both a verb and a noun. Effect is the result of an action, as in those “cause and effect” papers you might write in English class. Your topic could be how your late-night tuba playing (cause) has driven your roommate insane (effect). Effect is most commonly used as a noun meaning a result or consequence. Affect is most commonly used as a verb meaning to act on or produce a change in someone or something. Affect and effect are two of the most commonly confused words in English, but don’t worry—we’ll help you keep them straight. The basic difference is this: affect is usually a verb, and effect is usually a noun.