Definition

1. Noun:
   • A person who talks too much, especially in a loud, offensive, or indiscreet way: A "loudmouth" is someone who speaks without thinking, often in a way that is annoying, boastful, or likely to cause trouble by revealing secrets or making inappropriate comments.

Usage

• The word "loudmouth" is a countable noun. It is informal and often used as a criticism or insult. It describes a person's habitual behavior, not a single instance of talking.
• It is typically used with verbs like , , , or .
• Example sentence structure: /

Examples

• Noun:
  • Everyone avoided him at the party because he was a notorious loudmouth.
  • The manager fired the loudmouth who kept arguing with clients.
  • She didn't want to share the news with him, knowing he was a loudmouth who couldn't keep a secret.

Advanced Usage

• "to be a loudmouth": to habitually behave in a loud, indiscreet manner.
  • He got into trouble for being a loudmouth about the company's internal problems.
• "to shut up a loudmouth": to make such a person stop talking.
  • The teacher finally found a way to shut up the loudmouth in the back of the class.

Variants and Related Words

• Loudmouthed (adj): Describing someone who is a loudmouth.
  • The loudmouthed fan was ejected from the stadium.
• Blabbermouth (n): A very close synonym, specifically emphasizing someone who reveals secrets.
  • Don't tell her anything; she's a real blabbermouth.

Synonyms

• Blabbermouth: A person who talks indiscreetly, especially one who reveals secrets.
• Braggart: A person who boasts about achievements or possessions (often overlaps with "loudmouth").
• Windbag: A person who talks a lot but says little of value.

Antonyms

• Reticent person: Someone inclined to be silent or secretive.
• Discreet person: Someone careful and prudent in speech and action.

Related Idioms and Phrases

• "Run off at the mouth": To talk incessantly or indiscreetly (describes the action of a loudmouth).
  • He's always running off at the mouth about his expensive car.
• "Big mouth": Often used similarly to "loudmouth," implying someone who talks too much or reveals secrets.
  • You and your big mouth! Now everyone knows.

Noun

1. a person who causes trouble by speaking indiscreetly