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cavities

NOUN

sunken or decayed area

Synonyms

STRONGEST

crater

STRONG

armpit atrium basin bursa caries chamber decay dent depression gap hole hollow pit pocket sinus socket vacuity void

Antonyms

STRONG

bulge closure mountain solid

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.

But employees like Derek aren’t quite as generous with their diagnosis: “They are getting cavities in their brains.”

From Slate • Apr. 9, 2026

In testing, the artificial saliva spray reduced bacterial activity and slowed tooth demineralization -- the process by which teeth lose calcium and phosphate, making them more vulnerable to cavities.

From Science Daily • Apr. 5, 2026

Over time, more bees followed, using these natural cavities inside fossilized bones as ready-made nesting sites.

From Science Daily • Apr. 3, 2026

To understand how the cavities affect light emission, the team measured photoluminescence from WS2 under laser excitation while varying the cavity depth.

From Science Daily • Mar. 24, 2026

We’ll ask him to bring along something to fill cavities with.

From "The Diary of a Young Girl" by Anne Frank