Synonyms of cavities

cavities

noun

plural of cavity

as in holes

a sunken area forming a separate space

a cavity in the lawn where a tree stump had been removed

Synonyms & Similar Words

• holes
• dents
• pits
• hollows
• depressions
• furrows
• indentations
• concavities
• recesses
• valleys
• caverns
• caves
• ditches
• trenches
• grooves
• pockets
• dints
• bowls
• basins
• burrows
• excavations
• indentures
• alcoves
• impressions
• clefts
• openings
• gutters
• craters
• sockets
• dimples
• troughs
• alveoli
• nooks
• wells
• voids
• niches
• imprints
• sinkholes
• boreholes
• gouges
• potholes
• abysses
• vacuums
• notches
• water holes
• chasms
• vacuities
• postholes
• chuckholes
• wallows
• gulfs

Antonyms & Near Antonyms

• projections
• protuberances
• protrusions
• bulges
• hills
• tumors
• mounds
• convexities
• cambers
• rises
• swellings
• bumps
• pimples
• juts
• lumps
• humps
• swells
• bunches

Example Sentences

Recent Examples of cavities

Sound waves excite the air in the cavities, forcing out the oscillating air to generate thrust. — ArsTechnica, 1 Sep. 2026

To test this approach, the team first built miniature boats, each equipped with three cavities tuned to different frequencies. — Maryna Holovnova, New Atlas, 26 Aug. 2026

In its complaint, the real-estate firm points out that Urban Zen’s own lawsuit from June, alleging that rats are nesting in the cavities and holes of its Federal-style building from 1828, is evidence against them. — Matthew Sedacca, Curbed, 25 Aug. 2026

Essentially, when sound waves enter these cavities, the moving air is forced out as a concentrated jet. — Sara Hashemi, Popular Science, 19 Aug. 2026

At the centimeter scale, researchers controlled mini-boats using audible frequencies to activate individual cavities for steering and navigation. — Mrigakshi Dixit, Interesting Engineering, 17 Aug. 2026

The official explained that the damage stems from an old seawall that allows soil underneath the pavers to escape into the river, creating holes and cavities. — Ted Scouten, CBS News, 12 Aug. 2026

But skipping the rinse may help fluoride stay on your teeth longer, giving your toothpaste more time to protect your enamel and lower your risk of cavities. — Md Published, Verywell Health, 11 Aug. 2026

Leaning that increases year after year, mushrooms or fungal corks growing at the base of your tree, soft soil around the trunk, and bark damage or cavities at the base can all be symptoms of root damage. — Molly Burford, Southern Living, 4 Aug. 2026