Definition

Verb phrase (idiomatic): To talk loudly, boastfully, or indiscreetly; to speak without thinking, especially about things that are private, secret, or likely to cause trouble.

Usage

This phrase is used to criticize someone for speaking carelessly, often revealing information that should not be shared or making exaggerated claims. It implies a lack of restraint, discretion, or forethought in speech. It is often used in informal contexts.

Examples

• He shot his mouth off about the surprise party, so now everyone knows.
• Don't shoot your mouth off about the company's plans before the official announcement.
• She has a tendency to shoot her mouth off when she's angry and then apologize later.

Advanced Usage

• The phrase can be used reflexively ("shoot one's mouth off") or can take a direct object specifying the topic of the indiscreet talk ("shoot one's mouth off about [something]").
• It often carries a connotation of arrogance or foolishness, not just carelessness.

Variants and Related Words

• Shoot off at the mouth: A less common variant with the same meaning.
• Spill the beans (idiom): To reveal a secret, but without the boastful or unrestrained connotation of "shoot one's mouth off."
• Run off at the mouth (idiom): Very similar in meaning, emphasizing talking too much and without control.

Synonyms

• Blab
• Blurt out
• Gossip indiscreetly
• Speak out of turn
• Sound off

Antonyms

• Keep quiet
• Hold one's tongue
• Be discreet
• Keep a secret

Related Idioms

• Put one's foot in one's mouth: To say something embarrassing, tactless, or foolish. This focuses more on the embarrassing result, while "shoot one's mouth off" focuses on the unrestrained action of speaking.
• Have a big mouth: To be someone who cannot keep secrets. This describes a characteristic, while "shoot one's mouth off" describes a specific action.

Verb

1. speak spontaneously and without restraint
   • She always shoots her mouth off and says things she later regrets