English Reference

Word

chunk

US/ˈtʃəŋk/

UK/tʃˈʌŋk/

Definitions

01a thick piece

B2 · Upper Intermediate Countable noun

n. a thick, solid, and often irregular piece of something.

n. a thick, solid, and typically irregularly shaped piece of a substance.

“He cut a large chunk of cheese to put in his sandwich.”

“The excavator unearthed a massive chunk of granite that had been buried several metres below the surface.”

Synonyms

Antonyms

02a large amount

B2 · Upper Intermediate Countable noun Informal

n. a large part or amount of something, like time or money.

n. a significant or substantial portion of a non-physical entity, such as time, finance, or a task.

“I spent a big chunk of my weekend cleaning the garage.”

“The unexpected repairs consumed a significant chunk of the annual maintenance budget before the second quarter had even ended.”

Antonyms

03language/memory unit

C1 · Advanced Countable noun Linguistics Academic · Technical

n. a group of words or information that you learn as one unit.

n. a unit of information or language consisting of several components that are processed or remembered as a single entity.

“Learning phrases like 'by the way' as a single chunk helps you speak more naturally.”

“Cognitive load theory suggests that learners can process complex information more effectively when it is presented in manageable chunks.”

Synonyms

04computing data block

C1 · Advanced Countable noun Computing Technical

n. a small piece of data sent or stored as one unit.

n. a discrete segment of a file or data stream, particularly in audiovisual media or memory management.

“The video file was divided into small chunks for faster streaming.”

“The server transmits the metadata in an initial chunk before the primary data stream begins.”

Synonyms

05to break into pieces

B2 · Upper Intermediate

v. to break something into thick pieces or groups.

v. to divide or break something into large, discrete segments or pieces.

“You should chunk the text into smaller parts to make it easier to read.”

“The software automatically chunks the raw data into logical categories based on the timestamps provided.”

Antonyms

Collocations

Common phrases and expressions where native English speakers use the word “chunk” in context.

Verb

01. bite off a chunk

“He bit off a large chunk of the apple and started chewing thoughtfully.”

verb + noun

02. devote a chunk to

“The professor decided to devote a chunk of the lecture to discussing the new findings.”

verb + noun + prep

03. swallow a chunk

“The dog swallowed a chunk of meat without even chewing it.”

verb + noun

Adjective

04. manageable chunks

“The project will be much easier to complete if you break it down into manageable chunks.”

adj + noun

05. substantial chunk

“A substantial chunk of the budget has already been allocated to research and development.”

adj + noun

Noun

06. chunk of change

“Buying a new car will cost you a significant chunk of change these days.”

noun + of + noun

07. chunk of time

“I need a solid chunk of time this afternoon to finish writing the report.”

noun + of + noun

Preposition

08. in chunks

“The information was presented in chunks to help the students process it more effectively.”

prep + noun

Real-World Examples

“However, the reason Clarke's exit felt natural for many is that a hefty chunk of fans want to see a change of approach.”
BBC News 16 Aug 2026
“In her daughter’s bedroom, metal rebar hangs from the ceiling, while jagged chunks of concrete and brick threaten to tumble to the floor at any moment.”
Al Jazeera 15 Aug 2026

Etymology

Variant of chuck; or alternatively a diminutive of chump (“chunk; block”) + *-k (diminutive suffix) (compare hunk from hump, etc.). Also compare Dutch schonk.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

chunk(C1)

ADJECTIVE

Idioms

Domains

ComputingEducationLinguistics

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

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