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Definitions

hollow

[hol-oh] / ˈhɒl oʊ /
ADJECTIVE
empty, hollowed out
Synonyms
STRONG
arched cleft cupped curved depressed dimpled excavated indented notched pitted striated sunken vaulted void
WEAK
alveolate carved out cavernous concave cup-shaped deep-set incurved infundibular not solid troughlike unfilled vacant
Antonyms
WEAK
convex earnest frank full genuine high honest light meaningful raised real sincere soft solid substantial truthful
ADJECTIVE
deep, resonant in sound
Synonyms
STRONGEST
muted
STRONG
dull echoing flat low muffled mute resounding ringing roaring rumbling sounding vibrating
WEAK
cavernous clangorous ghostly reverberant sepulchral thunderous toneless vibrant
Antonyms
STRONG
clear elevated sharp
WEAK
convex earnest frank full genuine high honest light meaningful raised real sincere soft solid substantial truthful
ADJECTIVE
meaningless
Synonyms
STRONGEST
empty fruitless futile pointless useless worthless
STRONG
idle
WEAK
nugatory otiose specious unavailing vain
Antonyms
STRONGEST
copious fruitful productive profitable useful valuable worthwhile
WEAK
convex earnest frank full genuine high honest light meaningful raised real sincere soft solid substantial truthful
ADJECTIVE
false, artificial
Synonyms
STRONGEST
flimsy
WEAK
cynical deceitful faithless hypocritical insincere treacherous unsound weak
Antonyms
WEAK
convex earnest frank full genuine high honest light meaningful raised real sincere soft solid substantial truthful
NOUN
empty or dented area
Synonyms
STRONGEST
cavern
STRONG
basin bottom bowl cave cavity chamber channel cleft concavity crater cup dale den depression dimple dip dish excavation groove gulf hole indentation notch pit pocket sag scoop sinkhole socket trough vacuity valley void
WEAK
sinkage
Antonyms
STRONG
closure increase mountain rise solid
VERB
empty out; make concave
Synonyms
STRONG
channel chase corrugate dent dig dish ditch excavate furrow gorge groove indent notch pit rabbet remove rut scoop shovel trench
Antonyms
STRONG
fill flush
WEAK
make convex raise

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.

That pattern echoes what economists call skills-biased technological change: the tendency of some new technologies to hollow out routine work while complementing jobs held by more highly educated workers.

From The Wall Street Journal • Mar. 24, 2026

Even without D-MER, the hormonal shift that triggers milk flow can create a hollow, almost disorienting sensation—but it feels physical more than emotional and fades quickly.

From Slate • Mar. 15, 2026

Using X-ray analysis and a high-temperature oven, the rover detected clay minerals within the ridge and carbonate minerals in the hollow.

From Science Daily • Mar. 14, 2026

Some big performances are required in the second leg if boasts about the supposed superpower of the Premier League are not to be rendered hollow.

From BBC • Mar. 11, 2026

He hid it inside the hollow nickel he’d made, put the coin in one of his dead-drop locations, and marked the subway station wall with chalk.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.