1. The thing or area being discussed
   "he didn't want to discuss that subject";
   - topic, theme
    
2. A branch of knowledge
   "teachers should be well trained in their subject"; "in what subject field is his doctorate?"; "Biology is a broad subject area within the natural sciences";
   - discipline, subject area, subject field, field, field of study, study, bailiwick
    
3. Some situation or event that is thought about
   "he had been thinking about the subject for several years";
   - topic, issue, matter
    
4. 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";
   - content, depicted object
    
5. 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";
   - case, guinea pig
    
6. A person who owes allegiance to a particular nation
   "a monarch has a duty to his subjects";
   - national
    
7. (grammar) one of the two main constituents of a sentence; the grammatical constituent about which something is predicated
   "In the sentence 'The cat sleeps', 'cat' is the subject"
    
8. (logic) the first term of a proposition
   "In the proposition 'All men are mortal', 'men' is the subject"

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

1. Accepting, susceptible, or vulnerable to something specified
   "the time is fixed by the director and players and therefore subject to much variation";
   - capable, open
    
2. Likely to be affected by something
   "the bond is subject to taxation"; "he is subject to fits of depression"
    
3. Being under the power or sovereignty of another or others
   "subject peoples";
   - dependent

Derived forms: subjecting, subjected, subjects

See also: affected, subordinate, susceptible

Type of: actor, affect, bear on, bear upon, cognitive content, constituent, content, doer, domain, dominate, grammatical constituent, impact, knowledge base, knowledge domain, master, mental object, message, subject matter, submit, substance, term, thing, worker

Part of: country, land, nation, scene, view

Encyclopedia: Subject, verb, object