Good or Well?

So what's the difference between "good" and "well"?

Good

"Good" is an adjective. This means it describes people, things and places, not verbs.

"She is a good student."

These sentences are correct: 

• Sam is a good boy.
• They live in a good house.
• This is not a good place stay in.

These sentences are incorrect: 

• Sam behaves good.
• They eat good.
• She sings really good.

Well

"Well" is usually an adverb, and it generally describes actions. 

"She dances well."

These sentences are correct: 

• Sam behaves well.
• They eat well.
• She sings really well.

These sentences are incorrect: 

• Sam is a well boy.
• They live in a well house.
• This is not a well place live in.

Note: "Well" can be used as an adjective. In such cases, it is usually not used before the noun, and it means "healthy" or "in a good state."

For example: 

• You don't look well.
• All is well with my family.
• Get well!

Quiz

Which of the following sentences is incorrect?

1. We are working hard and well.
2. Julie is a good mother.
3. Joe is a well and healthy boy.
4. I don't feel very well.