WordWeb Online

1. An artist of consummate skill
   "one of the old masters"; "a master of the violin";
   - maestro
    
2. A person who has general authority over others
   - overlord, lord
    
3. A combatant who is able to defeat rivals
   - victor, superior
    
4. Someone who directs the work of others
    
5. Presiding officer of a school
   - headmaster, schoolmaster
    
6. An original creation (i.e., an audio recording) from which copies can be made
   - master copy, original
    
7. An officer who is licensed to command a merchant ship
   - captain, sea captain, skipper
    
8. Someone who holds a master's degree from academic institution
    
9. An authority qualified to teach apprentices
   - professional
    
10. Key that secures entrance everywhere
    - passkey, passe-partout, master key

1. Be or become completely proficient or skilled in
   "She mastered Japanese in less than two years";
   - get the hang
    
2. Get on top of; deal with successfully
   "He mastered his shyness";
   - overcome, get over, subdue, surmount
    
3. Have dominance or the power to defeat over
   "Her pain completely mastered her"; "The methods can master the problems";
   - dominate
    
4. Have a firm understanding or knowledge of; be on top of
   - control

1. Most important element
   "the master bedroom"; "a master switch";
   - chief, main, primary, principal

Derived forms: masters, mastering, mastered

See also: important, of import

Type of: artist, authority, battler, beat, beat out, belligerent, bookman, combatant, command, control, creation, creative person, crush, employer, fighter, head, head teacher, key, know, officer, principal, ruler, scholar, scholarly person, school principal, scrapper, shell, ship's officer, trounce, vanquish

Encyclopedia: Master, George