subject subject /ˈsʌbdʒɪkt/

adjective

1. Likely to be affected by something  ( subject )
   likely to be affected by something
    The bond is subject to taxation
   the bond is subject to taxation
    He is subject to fits of depression
   he is subject to fits of depression
   
2. Being under the power or sovereignty of another or others  ( dependent , subject )
   being under the power or sovereignty of another or others
    Subject peoples
   subject peoples
    A dependent prince
   a dependent prince
   
3. Possibly accepting or permitting  ( open , subject , capable )
   possibly accepting or permitting
    A passage capable of misinterpretation
   a passage capable of misinterpretation
    Open to interpretation
   open to interpretation
    An issue open to question
   an issue open to question
    The time is fixed by the director and players and therefore subject to much variation
   the time is fixed by the director and players and therefore subject to much variation
   

noun

1. () The subject matter of a conversation or discussion  ( topic , theme , subject )
   the subject matter of a conversation or discussion
    He didn't want to discuss that subject
   he didn't want to discuss that subject
    It was a very sensitive topic
   it was a very sensitive topic
    His letters were always on the theme of love
   his letters were always on the theme of love
   
2. () Something (a person or object or scene) selected by an artist or photographer for graphic representation  ( content , depicted object , subject )
   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
   a moving picture of a train is more dramatic than a still picture of the same subject
   
3. () A branch of knowledge  ( bailiwick , field of study , subject area , discipline , field , study , subject , subject field )
   a branch of knowledge
    In what discipline is his doctorate?
   in what discipline is his doctorate?
    Teachers should be well trained in their subject
   teachers should be well trained in their subject
    Anthropology is the study of human beings
   anthropology is the study of human beings
   
4. () Some situation or event that is thought about  ( issue , topic , subject , matter )
   some situation or event that is thought about
    He kept drifting off the topic
   he kept drifting off the topic
    He had been thinking about the subject for several years
   he had been thinking about the subject for several years
    It is a matter for the police
   it is a matter for the police
   
5. () (grammar) one of the two main constituents of a sentence; the grammatical constituent about which something is predicated  ( subject )
   (grammar) one of the two main constituents of a sentence; the grammatical constituent about which something is predicated
   
6. () A person who owes allegiance to that nation  ( national , subject )
   a person who owes allegiance to that nation
    A monarch has a duty to his subjects
   a monarch has a duty to his subjects
   
   
7. () A person who is subjected to experimental or other observational procedures; someone who is an object of investigation  ( guinea pig , subject , case )
   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
   the subjects for this investigation were selected randomly
    The cases that we studied were drawn from two different communities
   the cases that we studied were drawn from two different communities
   
8. (logic) the first term of a proposition  ( subject )
   (logic) the first term of a proposition
   

verb

1. () Cause to experience or suffer or make liable or vulnerable to  ( subject )
   cause to experience or suffer or make liable or vulnerable to
    He subjected me to his awful poetry
   He subjected me to his awful poetry
    The sergeant subjected the new recruits to many drills
   The sergeant subjected the new recruits to many drills
    People in Chernobyl were subjected to radiation
   People in Chernobyl were subjected to radiation
   
2. () Make accountable for  ( subject )
   make accountable for
    He did not want to subject himself to the judgments of his superiors
   He did not want to subject himself to the judgments of his superiors
   
3. () Make subservient; force to submit or subdue  ( subjugate , subject )
   make subservient; force to submit or subdue