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Mouth Expressions for Speaking Up and Speaking Too Freely

Compare a spokesperson with the more informal criticism in “mouthing off,” plus a useful conversational response.

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Source: VOA Learning English · Words and Their Stories

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This episode explores how mouth-related phrases describe speaking, sharing information, and reacting to what someone says. Many familiar expressions from the source are already covered in the RTB collection, so this companion guide concentrates on two less-covered items and the difference between speaking for an organization and speaking disrespectfully.

Cultural note: “Mouthing off” is judgmental and informal. It reports the speaker’s negative view of someone’s words or attitude, so it is not a neutral synonym for “speaking.” “Mouthpiece” can be critical when it suggests a spokesperson simply repeats another party’s position.

Keep exploringA small change from “speaking for a group” to “speaking disrespectfully” changes the tone of a mouth expression completely.

Phrase guide · 2 expressions

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Original explanations and examples, created for learners. Save a card for later or hear the phrase spoken by your browser.

Speaking for a group

A word for an official spokesperson or channel of communication.

mouthpiece

Meaning

A person or channel that speaks for an organization, group, or point of view.

Tone & use

Can be neutral for an official spokesperson, but often sounds critical when it implies the person repeats someone else’s views without independence.

Example

“The director served as the project’s mouthpiece during the public information sessions.”

NeutralNeutral / sometimes critical

Tone and attitude

A critical informal phrase for speaking rudely or defiantly.

Recognition caution

mouth off

Meaning

Speak in a rude, disrespectful, or defiant way.

Tone & use

Very informal and critical. Use it to understand someone’s judgment, not as an objective description of disagreement.

Example

“The coach asked the players to challenge the decision respectfully instead of mouthing off at the referee.”

NegativeVery informal

This is a disapproving label. It can unfairly frame legitimate disagreement as disrespect, so describe the specific behavior when fairness matters.

Knowledge check

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Choose the expression that best fits each situation.

Try it · Choose the best expression

1 of 3

A spokesperson represents a nonprofit during a press conference. Which word could describe that role?