Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mouth”

mouth

noun uk   /maʊθ/ us  

mouth noun (BODY PART)

A1 [C] the opening in the face of a person or animal, consisting of the lips and the space between them, or the space behind containing the teeth and the tongue: Open your mouth wide and say "Ah". You shouldn't put so much food in your mouth at once.

mouth noun (OPENING)

C1 [C usually singular] the opening of a narrow container, the opening of a hole or cave, or the place where a river flows into the sea: Quebec is at the mouth of the St Lawrence River.

mouth

verb [T] uk   /maʊð/ us  
to form words with the lips without making any sound: It looks to me as if the singers are only mouthing the words . [+ speech] "Can we go?" mouthed Mary. to say something in a way that is not sincere: I don't want to stand here listening to you mouthing (= saying in a way that is not sincere) excuses.
See also
(Definition of mouth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of mouth?
Add Cambridge dictionaries to your browser to your website

Definitions of “mouth” in other dictionaries

Word of the Day

light at the end of the tunnel

signs of improvement in a situation that has been bad for a long time, or signs that a long and difficult piece of work is almost finished

Word of the Day

The language of work

by Kate Woodford,
October 15, 2014
Most of us talk about our jobs. We tell our family and friends interesting or funny things that have happened in the workplace (=room where we do our job), we describe – and sometimes complain about – our bosses and colleagues and when we meet someone for the first time, we tell

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More