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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.

In one case, a nest was discovered inside the pulp cavity of a sloth tooth.

From Science Daily • Apr. 3, 2026

"They are too sweet for me," Alina says, "and I have a sweet tooth."

From BBC • Mar. 27, 2026

"We will fight this tooth and nail," Das said.

From Barron's • Mar. 24, 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