Definition of mouth noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//maʊθ//
    ; NAmE NAmE//maʊθ//
    (pl. mouths
    BrE BrE//maʊðz//
    ; NAmE NAmE//maʊðz//
    Body parts, Rivers and lakes, Mouth and teeth, Face
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    part of face
  1. 1   the opening in the face used for speaking, eating, etc.; the area inside the head behind this opening She opened her mouth to say something. His mouth twisted into a wry smile. Their mouths fell open (= they were surprised). Don't talk with your mouth full (= when eating). The creature was foaming at the mouth. see also foot-and-mouth disease See related entries: Body parts, Mouth and teeth, Face
  2. person needing food
  3. 2a person considered only as somebody who needs to be provided with food Now there would be another mouth to feed. The world will not be able to support all these extra hungry mouths.
  4. entrance/opening
  5. 3  mouth (of something) the entrance or opening of something the mouth of a cave/pit see also goalmouth
  6. of river
  7. 4  the place where a river joins the sea A number of industries sprang up around the mouth of the river. See related entries: Rivers and lakes
  8. way of speaking
  9. 5a particular way of speaking He has a foul mouth on him! Watch your mouth! (= stop saying things that are rude and/or offensive) see also loudmouth
  10. -mouthed
  11. 6(in adjectives) having the type or shape of mouth mentioned a wide-mouthed old woman a narrow-mouthed cave see also open-mouthed
  12. 7(in adjectives) having a particular way of speaking a rather crude-mouthed individual see also foul-mouthed, mealy-mouthed More Like This Compound adjectives for physical characteristics -beaked, -bellied, -billed, -blooded, -bodied, -cheeked, -chested, -eared, -eyed, -faced, -fingered, -footed, -haired, -handed, -headed, -hearted, -hipped, -lidded, -limbed, -mouthed, -necked, -nosed, -skinned, -tailed, -throated, -toothedSee worksheet.
  13. Word OriginOld English mūth, of Germanic origin; related to Dutch mond and German Mund, from an Indo-European root shared by Latin mentum ‘chin’.Extra examples A cool smile played across her mouth. A smile played around his strong mouth. A tight mouth was the only sign of her nerves. Don’t talk with your mouth full! Good mouth care is very important when you are having chemotherapy. He began to stuff his mouth with pasta. He coughed as the blood filled his mouth. He covered his mouth to hide his yawn. He pulled the boy from the river and gave him mouth-to-mouth. He wiped his greasy mouth on his sleeve. Her mouth curved into a smile. Her mouth suddenly set in a determined line. His mouth compressed into a thin, hard line. His mouth lifted in a wry smile. His mouth widened to a smile. I could taste blood in my mouth. I was so thirsty my tongue was sticking to the roof of my mouth. My mouth started watering when I smelled the food. Our mouths dropped open in surprise. She has four hungry mouths to feed. She put her hand over her mouth to stifle the cough. Suddenly a hand cupped her mouth. The corners of her mouth turned up in a slight smile. The dog was foaming at the mouth and near death. The hot coffee burned her mouth. There was blood trickling from the corner of his mouth. There were lines of tension about his mouth. Twins would mean two extra mouths to feed. They drew nearer to the mouth of the cave. Up ahead was the tunnel mouth.Idioms (informal) if you say somebody is all mouth, you mean that they talk a lot about doing something, but are, in fact, not brave enough to do it
    born with a silver spoon in your mouth
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    (saying) having rich parents
    butter wouldn’t melt (in somebody’s mouth)
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    (informal) used to say that somebody seems to be innocent, kind, etc. when they are not really
    because people tell each other and not because they read about it The news spread by word of mouth. unhappy and depressed See related entries: Unhappiness
    1. 1(especially of an animal) to have a mass of small bubbles in and around its mouth, especially because it is sick or angry See related entries: Anger
    2. 2(informal) (of a person) to be very angry See related entries: Anger
    (straight) from the horse’s mouth
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    (informal) (of information) given by somebody who is directly involved and therefore likely to be accurate
    1. 1to be bad at keeping secrets
    2. 2to talk too much, especially about your own abilities and achievements
    somebody’s heart is in their mouth
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    somebody feels nervous or frightened about something My heart was in my mouth as she opened the envelope. See related entries: Nervous, Fear
    (informal) to not talk about something to somebody because it is a secret or because it will upset or annoy them I've warned them to keep their mouths shut about this. Now she's upset—why couldn't you keep your mouth shut?
    leave a bad/nasty taste in the mouth
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    (of events or experiences) to make you feel disgusted or ashamed afterwards
    live (from) hand to mouth
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    to spend all the money you earn on basic needs such as food without being able to save any money
    look a gift horse in the mouth
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    (usually with negatives) (informal) to refuse or criticize something that is given to you for nothing I’m never one to look a gift horse in the mouth.
    (informal) used when you realize that you have said something that you should not have said (of food) to be soft and very good to eat They serve steaks that just melt in your mouth.
    out of the mouths of babes (and sucklings)
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    (saying) used when a small child has just said something that seems very wise or clever
    put your foot in it (British English) (also put your foot in your mouth North American English, British English)
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    to say or do something that upsets, offends or embarrasses somebody I really put my foot in it with Ella—I didn't know she'd split up with Tom.
    put your money where your mouth is
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    (informal) to support what you say by doing something practical; to show by your actions that you really mean something
    put words into somebody’s mouth
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    to suggest that somebody has said something when in fact they have not
    (North American English, informal) to talk too much, in a way that is not sensible
      shoot your mouth off (about something) (informal)
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    1. 1to talk with too much pride about something See related entries: Proud
    2. 2to talk about something that is private or secret
    (slang) a rude way of telling somebody to be quiet or stop talking
    take the bread out of somebody’s mouth
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    to take away somebody’s job so that they are no longer able to earn enough money to live
    take the words right out of somebody’s mouth
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    to say what somebody else was going to say
    watch your mouth/tongue
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    to be careful what you say in order not to offend somebody or make them angry
See the Oxford Advanced American Dictionary entry: mouth