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Definitions

tooth

[tooth] / tuθ /
NOUN
a hard bony structure in the jaws of vertebrates
Synonyms
STRONG
bicuspid cuspid eyetooth fang incisor ivory molar premolar tusk
WEAK
carnassial false tooth
NOUN
a toothlike or tooth-shaped object
Synonyms
STRONG
cog dent denticle peg point projection prong serration stub
WEAK
dentile
NOUN
bony object in mouth
Synonyms
STRONG
bicuspid canine cuspid denticle eyetooth fang grinder incisor ivory molar premolar tusk
WEAK
dentation dentile laniary

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There’s even a tech opportunity for the tooth fairy.

From Barron's • Apr. 7, 2026

He was quoted £250 to get each infected tooth removed.

From BBC • Mar. 24, 2026

At the same time, the material is designed to strengthen and repair tooth structure instead of damaging it.

From Science Daily • Mar. 23, 2026

Skyy Clark, who lost part of a tooth earlier in the second half while battling for a loose ball, then made one of two free throws in the final seconds to secure the win.

From Los Angeles Times • Mar. 20, 2026

Chicken traced a life-size picture of a megalodon tooth.

From "Caterpillar Summer" by Gillian McDunn