Grammar and Punctuation |
The Blue Book of Grammar and Punctuation

Affect, Effect

Affect as a verb means "to influence": It affected me strangely. As a noun, it is a technical term used in psychology to describe someone's emotional state.

Effect as a noun means "result": It had a strange effect on me. As a verb, it means "to bring about" or "to cause": He's trying to effect change in government.

For more information please see our blog Affect vs. Effect.

Confusing Words and Homonyms

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