performer

UK: /pə^rˈfɔː^rmə^r/

WordReference Random House Learner's Dictionary of American English © 2026

per•form /pɚˈfɔrm/   v. 

1. to carry out;
   execute;
   do:
   [~ + object] to perform surgery.
2. to carry out in the proper manner:
   [~ + object] The minister performed the marriage ceremony.
3. to carry into effect;
   fulfill:
   [~ + object] to perform a contract.
4. Show Business to act (a play, etc.), as on the stage;
   to play or sing a piece of music: [~ + object]:
   That actor performed the part of Othello.
   [no object]
   For an amateur, she performed very well.
5. to accomplish (an action involving skill or ability): [~ + object]
   to perform a juggling act.
   [no object]
   This car performs poorly when the weather is hot.

per•form•er, n. [countable] See -form-.

WordReference Random House Unabridged Dictionary of American English © 2026

per•form  (pər fôrm′), v.t. 

1. to carry out;
   execute;
   do:
   to perform miracles.
2. to go through or execute in the proper, customary, or established manner:
   to perform the marriage ceremony.
3. to carry into effect;
   fulfill:
   Perform what you promise.
4. Show Business to act (a play, part, etc.), as on the stage, in movies, or on television.
5. Show Business, Music and Dance to render (music), as by playing or singing.
6. to accomplish (any action involving skill or ability), as before an audience:
   to perform a juggling act.
7. to complete.

v.i. 

8. to fulfill a command, promise, or undertaking.
9. to execute or do something.
10. Show Business to act in a play:
    to perform in the role of Romeo.
11. Music and Dance to perform music.
12. Show Business to go through any performance.
13. Business (of loans, investments, etc.) to yield a profit;
    earn income.

• Anglo-French parformer, alteration (by association with forme form) of Middle French, Old French parfournir to accomplish. See per-, furnish
• Middle English parformen 1250–1300

per•form′a•ble, adj. 
per•form′er, n. 
Synonyms

• 1. Perform, discharge, execute, transact mean to carry to completion a prescribed course of action.
  Perform is the general word, often applied to ordinary activity as a more formal expression than do, but usually implying regular, methodical, or prolonged application or work:
  to perform an exacting task.
  Discharge implies carrying out an obligation, often a formal or legal one:
  to discharge one's duties as a citizen.
  Execute means either to carry out an order or to carry through a plan or program:
  to execute a maneuver.
  Transact, meaning to conduct or manage, has commercial connotations:
  to transact business.
• 3. accomplish, achieve, effect.