hollow

1 of 4

adjective

hol·​low ˈhä-(ˌ)lō 

hollower ˈhä-lə-wər  ; hollowest ˈhä-lə-wəst 

1

: having an indentation or inward curve : concave, sunken

hollow cheeks

2

: having an unfilled or hollowed-out space within

a hollow tree

3

: lacking in real value, sincerity, or substance : false, meaningless

hollow promises

a victory over a weakling is hollow and without triumph

—Ernest Beaglehole

4

: reverberating like a sound made in or by beating on a large empty enclosure : muffled

heard a hollow sound when he knocked on the wall

hollowly

ˈhä-lō-lē 

-lə-lē

adverb

hollowness noun

hollow

2 of 4

noun

plural hollows

1

: an unfilled space : cavity, hole

in the hollow of a tree

2

: a depressed or low part of a surface

especially : a small valley or basin

hollow

3 of 4

verb

hollowed; hollowing; hollows

transitive verb

1

: to remove the inside of : to make hollow (see hollow entry 1)

a hollowed tree

hollowing out pumpkins for Halloween

2

: to form by removing the inside of something : to form by making something hollow

—usually used with out

rain barrels hollowed out from trees

—Robert Shaplen

hollowing out a tunnel

intransitive verb

: to become hollow

his cheeks had hollowed

hollow

4 of 4

adverb

1

: so as to have a hollow (see hollow entry 1 sense 4) sound

The sound echoed hollow in the cave.

: in a way that reflects a lack of real value, sincerity, or substance

Their threats rang hollow.

2

: completely, thoroughly

—often used with all

"… Edward is always real glad to get some of the old farmhouse goodies. He says they beat city cooking all hollow, and so they do."

—Lucy Maud Montgomery

Synonyms

Adjective

• concave
• dented
• depressed
• dished
• indented
• recessed
• sunken

Noun

• cavity
• concavity
• dent
• depression
• dint
• hole
• indentation
• indenture
• pit
• recess

Choose the Right Synonym for hollow

vain, nugatory, otiose, idle, empty, hollow mean being without worth or significance.

vain implies either absolute or relative absence of value.

vain promises

nugatory suggests triviality or insignificance.

a monarch with nugatory powers

otiose suggests that something serves no purpose and is either an encumbrance or a superfluity.

a film without a single otiose scene

idle suggests being incapable of worthwhile use or effect.

idle speculations

empty and hollow suggest a deceiving lack of real substance or soundness or genuineness.

an empty attempt at reconciliation

a hollow victory

Examples of hollow in a Sentence

Adjective

There was a hollow spot in the field.

there's a noticeably hollow spot in the mattress where he has been sleeping

Noun

The owls nested in the hollow of a tree.

made a little hollow in her mound of mashed potatoes and filled it with gravy

Verb

They hollowed the log to make a canoe.

Recent Examples on the Web

Adjective

The studio focuses squarely on metal, whether brutalist objects or welded, sculptural furniture, but it’s best known for expertise in hollow joinery and repoussé, the painstaking technique in which bas-relief-style images are pounded into a sheet of bronze. —Abby Montanez, Robb Report, 12 Oct. 2024

All of these are hollow, thin-walled structures with sloping profiles and lots of big holes. —Saqib Rahim, WIRED, 11 Oct. 2024

Noun

Sean Rayford / Getty Images A week after Helene ravaged the hills, hollows and river valleys of western North Carolina, recovery and rescue efforts remained ongoing. —Lewis Kamb, NBC News, 5 Oct. 2024

And neither filler nor PRF are recommended if a patient has actual bags under their eyes (versus hollows, dark circles, crows feet or other issues). —Dahvi Shira, Forbes, 9 Sep. 2024

Verb

Deep shadows hollowed the space beneath his shoulder blades, and the full outline of each rib was visible under his skin. —Maggie Slepian, Longreads, 15 Aug. 2024

Drone footage recorded by Reuters captured the earth movers hollowing the ground, in what Mexican environmental group Guardian Forestal — which collaborates with the Michoacán state government — and an activist who reviewed the video described as an attempt to construct a water reservoir. —Reuters, NBC News, 6 Aug. 2024

Adverb

That notion rings hollow to Nick Cady, legal director for Cascadia Wildlands, one of the environmental organizations that originally petitioned to protect fishers in Oregon in 2000. —oregonlive, 19 May 2020

But the Iranian government's tendency to point the finger at Washington, or other malicious foreign actors, for unrest at home is ringing hollow now. —Eliza MacKintosh, CNN, 13 Jan. 2020

Word History

Etymology

Adjective

Middle English holgh, holugh, holwe, formally identical with holgh hollow entry 2, with adjectival meaning apparently after hol, holle "hollow, sunken," going back to Old English hol — more at hole entry 1

Noun

Middle English holgh, holough "hole, burrow, hollow of the hand," going back to Old English holh "cavity, hole," going back to *hulha-, probably extended form of Germanic *hula- "hollow, sunken" — more at hole entry 1

Verb

Middle English holowghen, holowen, holwen, derivative of holgh, holwe hollow entry 1

Adverb

derivative of hollow entry 1

First Known Use

Adjective

13th century, in the meaning defined at sense 1

Noun

before the 12th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at transitive sense 1

Adverb

1601, in the meaning defined at sense 1

Phrases Containing hollow

• have a hollow ring
• hollow out
• in the hollow of one's hand
• ring hollow

Kids Definition

hollow

1 of 2 noun

hol·​low ˈhäl-ō 

1

: an empty space within something : hole

2

: a low spot in a surface

especially : valley

hollow

2 of 2 adjective

1

: curved inward : sunken

hollow cheeks

2

: having a hole inside : not solid throughout

hollow tree

3

: lacking value, sincerity, or meaning

hollow victory

hollow promises

4

: being like a sound made in or by beating on a large empty enclosure : muffled

a hollow roar

hollow verb

hollowly

ˈhäl-ō-lē 

-ə-lē

adverb

hollowness noun

Medical Definition

hollow

noun

hol·​low ˈhäl-(ˌ)ō, -ə(-w) 

: a depressed part of a surface or a concavity

the hollow at the back of the knee