Effect VS Affect



Effect vs. Affect

Effect  and  affect  are  homophones,  words  that  are  pronounced  the  same  but  differ  in  meaning.  Let's take a look at their differences.



1. a change that somebody/something causes in somebody/something else; a result.
2. The power to cause influence 
3. The state of being functional
4. A desired impression

5. To bring about or make happen

Example Sentences with Explanation:

1. An effect (noun) is a result.

Here is an example: "Staying out in the cold had the effect of turning the children's hands purple. 

Explanation: Purple hands are the result (effect) of cold weather.

2. An effect (noun) is an act that influences.

Here is an example: "The child's whining had no effect on its mother." 

Explanation: The child's whining could not influence or budge the parent to change her mind.

3. An effect (noun) can mean the state of begin functional.

Here is an example: "The school put a new rule in effect-no cell phone use during school hours." 

Explanation: No cell phone use is an active school rule.

4. An effect (noun) is a desired impression.

Here is an example: "The principal's black suit and glasses were for effect only." 

Explanation: The principal's appearance gives the desired effect of authority. He is really a friendly man.

5. Effect (verb) means to cause or make happen.

Here is an example: "The citizen's letter to the mayor effected change in the town's trash removal service." 

Explanation: When a person expresses his/her opinion in a meaningful way, a change is likely to occur.




1. to produce a change in somebody/something.
2. to make somebody have strong feelings of sadness, pity, etc.

3. to pretend to be feeling or thinking something.


Example Sentences with Explanation:

1. Affect(verb) means to act on or cause change.

Here is an example: "The sudden change to cold weather affected the quality of the vegetable garden." 

Explanation: Unexpected cold weather made it difficult for new seeds to grow well. Cold weather affected the quality of the vegetables.

2. Affect (verb) means to impress upon a person's emotions.

Here is an example: "The opera affected audience members deeply." 

Explanation: The artistic singing caused audience members to feel touched emotionally.

3. An affect(noun) is a feeling or emotion.

Here is an example: "An apathetic person has an even or unchanged affect." 

Explanation: A person without much feeling or emotion is often called apathetic.


** Let's use both effect and affect together in a sentence to illustrate their different meanings:

An effect of optimistic thinking is the ability to effect positive affect in others.