Definition

1. Verb (transitive):

   • To cause someone to be quiet or stop talking: To make a person or group cease speaking, often through command or forceful action.
   • To confine or enclose securely: To place someone or something in a location from which they cannot leave or be removed.

2. Verb (intransitive):

   • To stop talking; to become silent: To cease one's own speech, often abruptly or in response to a command or situation.

3. Adjective (predicative):

   • Closely confined or enclosed: Being in a state of secure confinement or isolation.

Usage Examples

• Verb (transitive):
  • The teacher had to shut up the noisy students before the exam could start.
  • He shut his valuables up in a safe deposit box.
• Verb (intransitive):
  • I wish you would shut up for a moment and listen.
  • The audience finally shut up when the conductor raised his baton.
• Adjective:
  • After the scandal, the CEO was kept shut up in his office, away from the press.

Advanced Usage

• Imperative Use: Often used as a direct, forceful, and sometimes rude command.
  • Shut up! I can't hear myself think.
• Reflexive Use: Can be used to describe one's own action of becoming silent.
  • I finally shut myself up and let her explain.

Variants and Related Words

• Shut away (phrasal verb): To isolate or seclude.
  • She shut herself away to finish her novel.
• Silence (verb): A more formal synonym for causing quiet.
• Confine (verb): A more general synonym for the act of enclosing.

Synonyms

• Verb (quiet): Hush, quiet (down), silence, muzzle.
• Verb (confine): Lock up, imprison, enclose, seal in.
• Verb (stop talking): Be quiet, hold one's tongue, clam up.

Related Phrasal Verbs

• Shut up shop: To close a business, either temporarily or permanently.
  • The old bookstore finally shut up shop last year.
• Shut someone/something away: To confine or hide someone/something.
  • The dangerous documents were shut away in a vault.

Related Idioms

• Put a sock in it: (Informal, idiomatic) A humorous way to tell someone to be quiet.
  • Oh, put a sock in it! You've been complaining all day.
• Hold your peace: (Formal/idiomatic) To remain silent, especially when one has the right to speak.
  • If anyone objects, speak now or forever hold your peace.

Adjective

1. closely confined

Verb

1. cause to be quiet or not talk
   • Please silence the children in the church!
2. place in a place where something cannot be removed or someone cannot escape
   • The parents locked her daughter up for the weekend
   • She locked her jewels in the safe
3. refuse to talk or stop talking; fall silent
   • The children shut up when their father approached