Good In or Good At? Which One Is Correct
Quick Answer
The correct form is "good at" when talking about skills and abilities.
"Good in" is only correct in specific contexts (places or situations), not for skills.
Explanation
Good AT (Skills)
Use for skills, abilities, subjects:
- good at math
- good at swimming
- good at cooking
- good at his job
Good IN (Context)
Use for places/situations:
- good in a crisis
- good in emergencies
- looks good in blue
Rule: Skills and abilities → good at
Examples
✔She's very good at playing the piano.
✔I'm not good at public speaking.
✔He's good in a crisis. (situation, not skill)
✘She's very good in mathematics.
Similar Adjectives with AT
- good at
- bad at
- excellent at
- terrible at
- skilled at
- hopeless at
Common Mistake
Incorrect: My brother is good in English.
Correct: My brother is good at English.
Practice
Choose the correct preposition:
"I've never been good _____ sports." (in/at)