DictionaryAI

tooth

SayTOOTH/tuθ//tuːθ/

Pluralteeth

9 meanings of tooth

Practice

  1. 1
    in the mouthnouncountable
    A hard white part in the mouth used for biting and chewing food.

    Like a small, hard tool in your mouth that cuts and grinds food.

    The dentist said one tooth was starting to decay.

    Sharks lose and regrow their teeth throughout their lives.

    UsageOne tooth, two teeth (not incorrect: tooths).

  2. 2
    likingnounfigurativelycountable
    A strong liking for a certain kind of food or thing.

    Like a magnet that pulls you toward the things you love most.

    My dad has a sweet tooth and keeps candy in his car.

    Kids with a sweet tooth love this little bakery.

    UsageMostly in have a sweet tooth: you love sweet food.

    Similartaste, fondness, appetite, palate

    Oppositeaversion, distaste, dislike

    Note
  3. 3
    nouncountable
    One of the row of sharp or pointed parts along the edge of a saw, comb, gear, or similar object.

    Like the points on a comb, but sharp for cutting.

    A bent tooth on the saw kept catching in the wood.

    The old blade had several teeth missing.

  4. 4
    tiny body spikenouncountable
    A small pointed part on an animal's body that looks like a tooth in the mouth.

    Like the little points on a cheese grater.

    A baby chick breaks its shell with a tiny egg tooth.

    A snail's tongue is covered with thousands of tiny teeth for scraping food.

    Note
  5. 5
    leaf edgenouncountable
    A small pointed part along the edge of a leaf.

    Like the small points along the edge of a saw, but on a leaf.

    Each tooth along the leaf's edge felt sharp to the touch.

    Holly leaves have stiff teeth that can prick your fingers.

    Similarserration

    Note

Practice

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Origin

From Old English tōþ, going back through Germanic roots to an ancient Proto-Indo-European word for "tooth." It is related to tusk and tine.

Checked 1 Nov 2026 · 3 facts