To That Effect vs Affect: Which One Is Correct?

Have you ever wondered whether to that effect or to that affect is correct? You’re not alone. The words effect and affect are commonly confused because they look and sound similar. However, when you mean that something communicates a particular idea or meaning, the correct phrase is to that effect.

In this guide, you’ll learn the difference between to that effect vs affect, what the phrase means, how to use it correctly, common mistakes, examples, and an easy memory trick. By the end, you’ll know exactly when to use effect and why affect doesn’t work in this expression.

Quick Answer

• To that effect ✅ — Correct.
• To that affect ❌ — Incorrect when referring to a statement, idea, or meaning.

To that effect means with that meaning, expressing that idea, or communicating something similar.

Example:

• She made a statement to that effect.

This means that she made a statement that expressed that idea or something similar.

What Does “To That Effect” Mean?

To that effect is an established English expression. It means that something was said, written, or communicated with a particular meaning or intention.

For example:

• He said to that effect that the project would continue.

A more natural sentence would be:

• He made a statement to that effect.

The phrase can also mean in those words or with a similar meaning.

Example:

• I don’t remember her exact words, but she said something to that effect.

Here, the speaker does not remember the exact wording but remembers the general idea.

What Does “To That Affect” Mean?

To that affect is generally incorrect when you are trying to use the established phrase to that effect.

The confusion happens because affect is also a real English word.

For example:

• Lack of sleep can affect your concentration.

However, that does not make to that affect correct.

Incorrect:

• ❌ He made a comment to that affect.

Correct:

• ✅ He made a comment to that effect.

To That Effect vs Affect Comparison Table

Feature	To That Effect	To That Affect
Standard Expression	✅ Yes	❌ No
Meaning	Expressing that idea or meaning	Not standard in this phrase
Correct Usage	Yes	No
Common Context	Statements, comments, messages	Incorrect substitution
Professional Writing	Recommended	Avoid

Why Is “To That Effect” Correct?

The word effect can refer to a result, consequence, or outcome. However, it also appears in the established expression to that effect, where it relates to the meaning or substance of a statement.

For example:

• The manager made a comment to that effect.

The phrase tells us that the comment communicated a particular idea.

By contrast, affect is most commonly used as a verb meaning to influence or have an impact on something.

For example:

• The weather can affect our plans.

Because the two words have different grammatical roles and meanings, to that affect does not work as the standard expression.

Examples of “To That Effect” in Sentences

• She made a statement to that effect.
• He said something to that effect during the meeting.
• The manager sent an email to that effect.
• I don’t remember his exact words, but they were to that effect.
• The teacher made a comment to that effect.
• The report included a recommendation to that effect.
• She wrote a message to that effect.
• His explanation was to that effect.

Common Mistakes People Make

The biggest mistake is replacing effect with affect.

Incorrect:

• ❌ She made a comment to that affect.

Correct:

• ✅ She made a comment to that effect.

Another reason for the confusion is that affect and effect are both commonly confused words.

A useful basic distinction is:

• Affect = usually a verb meaning to influence.
• Effect = usually a noun meaning result or outcome.

Examples:

• The noise affected my concentration.
• The noise had an effect on my concentration.

When you use the fixed phrase to that effect, always choose effect.

Simple Memory Trick

💡 Memory Trick

Spelling Box

Remember:

TO THAT EFFECT = TO THAT IDEA

If someone says something to that effect, they expressed that idea or meaning.

Rule: Think effect = expressed idea in this phrase.

Effect vs Affect: The Basic Difference

Understanding effect vs affect makes this phrase much easier.

Affect

Affect is most commonly a verb meaning to influence or change something.

Examples:

• Stress can affect your health.
• Weather can affect travel plans.
• The news affected her mood.

Effect

Effect is most commonly a noun meaning result or consequence.

Examples:

• The medicine had a positive effect.
• The decision had a major effect on the company.
• The new policy produced an immediate effect.

However, effect can also be a verb in some contexts, meaning to bring about or cause something.

Example:

• The organization hopes to effect meaningful change.

For the expression to that effect, however, you simply need to remember the established phrase.

“To That Effect” vs “To That End”

To that effect and to that end are different expressions.

To that effect refers to communicating a particular idea or meaning.

Example:

• She made a statement to that effect.

To that end means for that purpose or in order to achieve that goal.

Example:

• We created a new plan to that end.

So, don’t confuse these expressions.

When Should You Use “To That Effect”?

Use to that effect when:

• Someone expressed a particular idea.
• You don’t remember the exact wording.
• A statement communicates a similar meaning.
• A document contains a particular message.
• You want to summarize someone’s general statement.

Examples:

• He said something to that effect.
• The letter contained a warning to that effect.
• She made a comment to that effect.

When Should You Use Affect?

Use affect when you mean influence or have an impact on something.

Examples:

• Lack of sleep can affect your performance.
• The weather may affect our plans.
• The decision could affect the entire team.

Don’t use affect simply because it sounds similar to effect.

When Should You Use Effect?

Use effect as a noun when you’re talking about a result, consequence, or impact.

Examples:

• The change had a positive effect.
• The decision had a significant effect.
• The medicine produced an immediate effect.

And when you use the established phrase:

to that effect ✅

American vs British English

There is no meaningful American-versus-British spelling difference in this expression.

Both American and British English use:

• To that effect ✅
• To that affect ❌

The phrase has the same general meaning in both varieties of English.

Related Words and LSI Keywords

• to that effect meaning
• to that affect meaning
• to that effect definition
• affect vs effect
• effect vs affect
• said something to that effect
• statement to that effect
• comment to that effect
• expressing an idea
• similar meaning
• general meaning
• statement
• comment
• influence
• impact
• result
• consequence
• English grammar
• commonly confused words
• correct English usage
• spelling mistakes

Tips for Remembering the Difference

• The correct phrase is to that effect.
• Think effect = idea or meaning in this expression.
• Affect usually means influence.
• Effect usually means result.
• Memorize the complete phrase instead of trying to build it word by word.
• Remember: said something to that effect.

Frequently Asked Questions

Is it to that effect or to that affect?

The correct expression is to that effect.

What does to that effect mean?

To that effect means expressing a particular idea, meaning, or message, often without using the exact original words.

Is to that affect grammatically correct?

To that affect is not the standard expression when referring to a statement or meaning. Use to that effect instead.

What is an example of to that effect?

An example is: I don’t remember her exact words, but she said something to that effect.

What is the difference between affect and effect?

Affect is usually a verb meaning to influence, while effect is usually a noun meaning result or consequence.

Is to that effect used in American and British English?

Yes. To that effect is used in both American and British English.

Can I say something to that effect?

Yes. Something to that effect is a common and natural expression when you remember the general meaning of what someone said but not the exact wording.

Summary

The difference between to that effect vs affect is straightforward once you remember that to that effect is a fixed English expression. It means that someone said, wrote, or communicated something with a particular meaning or along similar lines. The correct phrase is always to that effect, not to that affect.

The words affect and effect have different common roles. Affect usually means to influence something, while effect usually means a result. However, when you’re talking about a statement or its general meaning, use the established phrase to that effect.