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Synonyms for

“hollow”

6 synonyms and better words for “hollow,” each with its precise meaning and an example so you pick the one that actually fits, not just the nearest match.

cavernous

/ˈkav-ər-nəs/Elevated

Resembling a vast cave in depth, emptiness, or resonant quality.

“Her voice echoed through the cavernous hall as if the building itself were breathing.”

Best for: Works well for physical spaces or sounds; adds scale and drama to descriptions.

vacuous

/ˈvak-yoo-əs/Elevated

Devoid of meaning, substance, or intelligent thought; utterly empty.

“He smiled a vacuous smile, his eyes betraying nothing behind them.”

Best for: Best used for emotional or intellectual emptiness rather than physical space.

sepulchral

/sə-ˈpʌl-krəl/Literary

Suggestive of a tomb; unnervingly deep, hollow, and gloomy in tone.

“The sepulchral silence of the abandoned chapel pressed against her ears like cold stone.”

Best for: Strongly literary and atmospheric; ideal for gothic or solemn writing.

concave

/ˈkɒn-keɪv/Punchy

Curving inward like the interior of a sphere, forming a hollow depression.

“The wind had worn the rock face concave, scooping a shallow alcove from solid stone.”

Best for: Precise and punchy; suits architectural, geological, or visual descriptions.

inanite

/ɪ-ˈnan-ɪt/Rare Gem

Archaic term meaning utterly void or empty of substance or content.

“The prophet spoke of an inanite void that preceded creation itself.”

Best for: Extremely rare; suits archaic, philosophical, or speculative fiction writing.

lacunose

/ˈlak-yoo-noʊs/Rare Gem

Full of gaps, pits, or hollow depressions; perforated with absence.

“The lacunose surface of the meteorite told a story of violent collisions across deep time.”

Best for: Rare and technical in origin; striking in literary or scientific-adjacent prose.

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