subject

A subject is a branch of knowledge in school, college or university, such as English, math, science, and history.

Example: The subject of the class is English literature.

In English grammar, the subject of a sentence is usually a noun that comes before the verb. This noun is usually the thing that is doing the action, and it is usually the topic of the sentence.

Example: In the sentence, "Tom gave the box to Wilma", Tom is the subject.

A subject is a person who is governed by a king, queen, emperor, etc.

If someone or something is subject to something, they are likely to be affected by it or experience it.

Example: Home prices are even more subject to change than gas prices.

To make someone do something unpleasant

Example: They were subjected to intense labor.