1

mouth

noun, often attributive \ ˈmau̇th \

Definition of mouth

plural mouths play \ˈmau̇t͟hz also ˈmau̇z, ˈmau̇ths; in synecdochic compounds like "blabbermouths" thsmore frequently\
1 a :the natural opening through which food passes into the body of an animal and which in vertebrates is typically bounded externally by the lips and internally by the pharynx and encloses the tongue, gums, and teeth
b :grimace
  • made a mouth
c :an individual requiring food
  • had too many mouths to feed
2 a :voice, speech
  • finally gave mouth to her feelings
b :mouthpiece 3a
  • he is the mouth … of the House in its relations with the Crown
  • —T. E. May
c (1) :a tendency to excessive talk
  • he is not all mouth … he gets results
  • Time
(2) :saucy or disrespectful language :impudence
  • just don't take any mouth from him
  • —Jackson Burgess
3 :something that resembles a mouth especially in affording entrance or exit: such as
a :the place where a stream enters a larger body of water
b :the surface opening of an underground cavity (see cavity 1)
  • the mouth of a well
  • the mouth of a volcano
c :the opening of a container
  • the mouth of a bottle
d :an opening in the side of an organ flue pipe

mouthlike

play \ˈmau̇th-ˌlīk\ adjective
down in the mouth

Examples of mouth in a Sentence

  1. He kissed her on the mouth.

  2. He threatened to punch me in the mouth.

  3. She stood there with her mouth agape.

  4. I burned the roof of my mouth.

  5. They told him to keep his mouth closed when chewing and not to talk with his mouth full.

  6. He wiped his mouth with a napkin after eating.

  7. She regretted saying it as soon as the words were out of her mouth.

  8. The smell of the food made my mouth water.

  9. The candy melts in your mouth.

  10. The medication is taken by mouth.

Recent Examples of mouth from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mouth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of mouth

Middle English, from Old English mūth; akin to Old High German mund mouth and perhaps to Latin mentum chin

mouth Synonyms

Synonyms
chops, gob [chiefly British], kisser [slang], mug, piehole [slang], trap [slang], yap [slang]
Related Words
countenance, face, puss [slang], visage; muzzle; jaws, mandible, maxilla; gullet, maw
Near Antonyms
grin, laugh, smile

2

mouth

verb \ ˈmau̇t͟h also ˈmau̇th \

Definition of mouth

transitive verb
b :to utter bombastically :declaim
c :to repeat without comprehension or sincerity
  • always mouthing platitudes
d :to form soundlessly with the lips
  • the librarian mouthed the word "quiet"
e :to utter indistinctly :mumble
  • mouthed his words
2 :to take into the mouth; especially :eat
intransitive verb
1 a :to talk pompously :rant often used with off
b :to talk insolently or impudently usually used with off
2 :to move the mouth especially so as to make faces

mouther

noun

Examples of mouth in a Sentence

  1. She was just mouthing the usual meaningless platitudes about the need for reform.

  2. silently mouthing the words to a song

Recent Examples of mouth from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mouth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of mouth

see 1mouth

mouth Synonyms

Synonyms
grimace, mug
Antonyms
speak out, speak up
Related Words
pout; contort, deform, twist, warp; frown, glare, gloom, glower, lower (also lour), scowl; gape, gaze, ogle, stare; growl, snarl, sneer; simper, smirk
Near Antonyms
beam, grin, smile

MOUTH Defined for English Language Learners

mouth

noun

Definition of mouth for English Language Learners

  • : the opening through which food passes into the body : the part of the face that includes the lips and the opening behind them

  • : an opening in something

  • : the place where a river enters the ocean


mouth

verb

Definition of mouth for English Language Learners

  • : to say or repeat (something) without really meaning it or understanding it

  • : to form (words) with your lips without speaking


MOUTH Defined for Kids

1

mouth

noun \ ˈmau̇th \

Definition of mouth for Students

plural mouths \ˈmau̇t͟hz, ˈmau̇ths\
1 :the opening through which food passes into the body and which in humans is surrounded on the outside by the lips and contains the tongue and teeth
2 :an opening that is like a mouth
  • There was a butcher who worked in the mouth of a narrow alley.
  • —Laurence Yep, Dragonwings
3 :the place where a stream enters a larger body of water

2

mouth

verb \ ˈmau̇t͟h \

Definition of mouth for Students

mouthed; mouthing
1 :to form with the lips without speaking
  • The librarian mouthed “quiet.”
2 :to repeat without being sincere or without understanding
  • Salesmen mouthed meaningless slogans.

Medical Dictionary

mouth

noun \ ˈmau̇th \

medical Definition of mouth

plural mouths play \ˈmau̇t͟hz\
:the natural opening through which food passes into the animal body and which in vertebrates is typically bounded externally by the lips and internally by the pharynx and encloses the tongue, gums, and teeth


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