Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mouth”

See all translations

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.
More examples

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

luck

the force that causes things, especially good things, to happen to you by chance and not as a result of your own efforts or abilities

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More