subject

noun

• 1a person or thing that is being discussed, described, or dealt with:I’ve said all there is to be said on the subject he’s the subject of a major new biography
• a person or circumstance giving rise to a specified feeling, response, or action:the incident was the subject of international condemnation
• Grammar a noun phrase functioning as one of the main components of a clause, being the element about which the rest of the clause is predicated.
• Logic the part of a proposition about which a statement is made.
• Music a theme of a fugue or of a piece in sonata form; a leading phrase or motif.
• a person who is the focus of scientific or medical attention or experiment.

• 2a branch of knowledge studied or taught in a school, college, or university.

• 3a citizen or member of a state other than its supreme ruler.

• 4 Philosophy a thinking or feeling entity; the conscious mind; the ego, especially as opposed to anything external to the mind.
• the central substance or core of a thing as opposed to its attributes.

adjective

• 1likely or prone to be affected by (a particular condition or occurrence, typically an unwelcome or unpleasant one):he was subject to bouts of manic depression

• 2dependent or conditional upon:the proposed merger is subject to the approval of the shareholders

• 3under the authority of:legislation making Congress subject to the laws it passes
• [attributive] under the control or domination of (another ruler, country, or government):the Greeks were the first subject people to break free from Ottoman rule

adverb

• conditionally upon:subject to bankruptcy court approval, the company expects to begin liquidation of its inventory

verb

• 1 (subject someone/something to) cause or force to undergo (a particular experience of form of treatment):he’d subjected her to a terrifying ordeal

• 2bring (a person or country) under one’s control or jurisdiction, typically by using force.