subject
/ˈsʌb.dʒɪkt/noun
An area of knowledge that you study at school or college, such as math, history, or biology.
Example sentences
- “Math was always my favorite subject in high school.”
- “Students take eight subjects in their first year.”
- “Which subject do you find hardest?”
You are 'good at' a subject and 'study' or 'take' it. The word also means the topic that something is about, as in 'the subject of a talk'.