DictionaryAI

mouth

SayMOWTH/maʊθ/
As a verbMOWTH

Pluralmouths

Verbmouths, mouthing, mouthed

18 meanings of mouth

Practice

  1. 1
    body partnouncountable
    The opening in your face and the space behind it, used for eating, drinking and talking.

    Like the door where food goes into your body.

    Open your mouth wide so the dentist can look.

    The dog carried the ball in its mouth.

    Note
  2. 2
    river endnouncountable
    The place where a river meets the sea or flows into a bigger river or lake.

    Like the end of a slide where you come out at the bottom.

    The town sits at the mouth of the river, where boats head out to sea.

    Salmon gather near the mouth before swimming upstream.

    UsageSay at the mouth of the river.

    Similaroutlet

    Oppositesource

    Note
  3. 3
    speechnoun
    What a person says, or the way they talk, especially rude or cheeky talk.
    that in the mouth of two or three witnesses every word may be established
    1611, The Holy Bible, King James VersionHere, mouth means what people say, so the words of two or three witnesses.

    UsageSay watch your mouth: be careful what you say.

    Note
  4. 4
    openingnouncountable
    An opening where something goes in or out, like the top of a jar or the front of a cave.

    Like the open end of a bottle.

    Bats flew out of the mouth of the cave at dusk.

    She tied a cloth over the mouth of the jar.

    UsageSay the mouth of the cave.

    Similaropening, entrance, aperture, outlet

    Note
  5. 5
    verbtransitive or intransitive
    To move the lips, with or without making sound.

    Like a goldfish opening and closing its lips at the glass.

    She mouthed the answer to me across the quiet classroom.

    I like to mouth the words when my favorite song plays.

    Note

Practice

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Origin

From Old English mūþ, going back to Proto-Germanic *munþaz, meaning "mouth." The verb comes from the noun.

Checked 1 Nov 2026 · 3 facts