Language: Old English
Origin: muth


1 noun
mouth1 S2 W1 plural mouths [countable]


HB the part of your face which you put food into, or which you use for speaking:
He lifted his glass to his mouth.
The old man had a cigarette dangling from the corner of his mouth.
Liam was fast asleep with his mouth wide open.
She put her hand to her lips , trying not to laugh with her mouth full (=with food in her mouth).
She kissed him full on the mouth (=directly on the mouth).
I burnt the roof of my mouth (=the top inside part) on some hot soup.
She stared at him open-mouthed (=looking very surprised or shocked).
Karen felt dry-mouthed and sick.

keep your mouth shut

a) to not tell other people about a secret:
He demanded £2000 to keep his mouth shut.
b) to not say something even if you think it:
I wished that I'd kept my mouth shut.

open your mouth

to prepare to speak:
'I'll go,' Travis said quickly before she could open her mouth.
open your mouth to say/speak/protest etc
Julia opened her mouth to reply, but they were interrupted.

(you) watch your mouth

spoken informal used to tell someone not to speak in such a rude way


DN the entrance to a large hole or cave:
As the train entered the mouth of the tunnel, the lights came on.


DNSG the part of a river where it joins the sea:
the mouth of the River Tees


DFDH the open part at the top of a bottle or container

big mouth

informal if someone has a big mouth, they say too much or tell another person's secrets

me and my big mouth/you and your big mouth etc

spoken used to criticize yourself or another person for saying something that should not have been said:
Oops, I shouldn't have said that. Me and my big mouth.

mouth to feed/hungry mouth

someone who you must provide food for, especially one of your children:
To these parents, a new baby is just another hungry mouth.

make your mouth water

if food makes your mouth water, it smells or looks so good you want to eat it immediately:
The smell of the cooked fish made her mouth water.

down in the mouth

informal unhappy:
Tim's looking very down in the mouth.

out of the mouths of babes (and sucklings)

used humorously when a small child has just said something clever or interesting

be all mouth

British English spoken if someone is all mouth, they talk a lot about what they will do but are not brave enough to actually do it

➔ be born with a silver spoon in your mouth

at born2 (8)

➔ by word of mouth

at word1 (13)

➔ be foaming at the mouth

at foam2 (2)

➔ put your foot in your mouth

at foot1 (15)

➔ put your money where your mouth is

at money (18)

➔ put words into somebody's mouth

at word1 (21)

➔ shut your mouth

at shut1 (2)

➔ shoot your mouth off

at shoot1 (12)
foul-mouthed, mealy-mouthed

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