Definition of "Subject" :

noun: something (a person or object or scene) selected by an artist or photographer for graphic representation

"A moving picture of a train is more dramatic than a still picture of the same subject."

noun: some situation or event that is thought about

"He had been thinking about the subject for several years."

noun: a branch of knowledge

"Teachers should be well trained in their subject."

noun: (grammar) one of the two main constituents of a sentence; the grammatical constituent about which something is predicated

noun: (logic) the first term of a proposition

noun: the subject matter of a conversation or discussion

"He didn't want to discuss that subject."

noun: a person who owes allegiance to that nation

"A monarch has a duty to his subjects."

noun: a person who is subjected to experimental or other observational procedures; someone who is an object of investigation

"The subjects for this investigation were selected randomly."

verb: make accountable for

"He did not want to subject himself to the judgments of his superiors."

verb: cause to experience or suffer or make liable or vulnerable to

"He subjected me to his awful poetry."

verb: make subservient; force to submit or subdue

adjective: likely to be affected by something

"The bond is subject to taxation."

adjective: being under the power or sovereignty of another or others

"Subject peoples."

adjective: possibly accepting or permitting

"The time is fixed by the director and players and therefore subject to much variation."