mouthpiece

noun

mouth·​piece ˈmau̇th-ˌpēs 

1

: something placed at or forming a mouth

2

: a part (as of an instrument) that goes in the mouth or to which the mouth is applied

3

a

: one that expresses or interprets another's views : spokesman

b

slang : a criminal lawyer

Synonyms

• spokesperson
• spokesman

Examples of mouthpiece in a Sentence

the mouthpiece of a trumpet

He's been acting as a mouthpiece for the government on questions of foreign policy.

The company has hired an attorney as a mouthpiece to answer its critics.

Recent Examples on the Web

His mouthpieces on City Council have been arguing that the sector is doing just great. —The Editorial Board, Chicago Tribune, 29 June 2025

Our state media has always been a mouthpiece for power. —Narges Mohammadi, Time, 25 June 2025

In Materialists, the director has essentially done the opposite: Her characters are mouthpieces for broad philosophies about connection, while their stories end up getting buried. —Shirley Li, The Atlantic, 20 June 2025

The pair tells their mothers about Charlie, saying that Gia was Brooks’s mouthpiece, and in their joint confession, Brooks turns to Gia and asks how to address the subject. —Tom Smyth, Vulture, 11 June 2025

Word History

First Known Use

1673, in the meaning defined at sense 1

Rhymes for mouthpiece

• apiece
• aris
• assise
• caprice
• cerise
• decease
• decrease
• eyepiece
• facepiece
• handpiece
• headpiece
• increase

Kids Definition

mouthpiece

noun

mouth·​piece -ˌpēs 

1

: the part put to, between, or near the lips

the mouthpiece of a trumpet

the mouthpiece of a telephone

2

: someone who expresses another person's ideas : spokesperson