Affect vs Effect — Difference Explained

affect vs effect: Affect is typically a verb meaning to influence, while effect is typically a noun meaning a result. Effect can also be a verb meaning to bring about.

Verdict at a Glance

  • Key difference: Affect is typically a verb meaning to influence, while effect is typically a noun meaning a result. Effect can also be a verb meaning to bring about.
  • Memory tip: Affect = Action (both start with A). Effect = End result (both start with E).
  • Best for: GRE test-takers preparing for Sentence Equivalence, Text Completion, Words-in-Context, and academic writing tasks where affect and effect are easily confused.

Side-by-Side Comparison

Aspectaffecteffect
Part of speechverbnoun/verb
DefinitionTo influence or have an impact onA result or outcome; to bring about
Example sentenceThe weather affected our plans.The effect of the medicine was immediate.
Synonymsinfluence, impact, alterresult, outcome, consequence

Memory Tip

Affect = Action (both start with A). Effect = End result (both start with E).

Common Mistakes

  • Using 'effect' as a verb when meaning 'to influence'
  • Using 'affect' when referring to a result

Frequently Asked Questions

What is the difference between affect and effect?

Affect is typically a verb meaning to influence, while effect is typically a noun meaning a result. Effect can also be a verb meaning to bring about.

What does affect mean?

To influence or have an impact on

What does effect mean?

A result or outcome; to bring about

How can I remember the difference between affect and effect?

Affect = Action (both start with A). Effect = End result (both start with E).

What are common mistakes with affect and effect?

Using 'effect' as a verb when meaning 'to influence' Using 'affect' when referring to a result

Which is better for GRE: affect or effect?

Both affect and effect appear in GRE reading and writing contexts. Knowing both — and the precise difference between them — is what test-makers reward, since they often appear as distractors for one another in Sentence Equivalence and Words-in-Context questions.