English Reference

Word

lump

US/ˈɫəmp/

UK/lˈʌmp/

Definitions

01a shapeless mass

B1 · Intermediate Countable noun

n. a piece of something solid that has no particular shape.

n. a small, irregular mass of solid matter with no defined shape.

“He found a large lump of coal in the garden while digging.”

“The sculptor began with a shapeless lump of clay, gradually refining the form until a human figure emerged from the raw material.”

Synonyms

chunkhunkclod

02medical swelling

B2 · Upper Intermediate Countable noun Medicine

n. a hard area or swelling on or under the skin.

n. a protuberance or localized swelling on the body, often indicating injury or infection.

“You should see a doctor if you find a strange lump on your neck.”

“The patient reported a small, painless lump in his armpit that had appeared shortly after he recovered from a viral infection.”

03sugar

B1 · Intermediate Countable noun Cooking

n. a small square or piece of sugar for tea or coffee.

n. a small, pre-measured cube or mass of sugar.

“Would you like one lump of sugar or two in your tea?”

“The traditional tea service included a silver bowl filled with sugar lumps and a pair of matching tongs.”

Synonyms

04to group together

B2 · Upper Intermediate

v. to put different things into the same group, even if they are not the same.

v. to group or categorize disparate items together, often in a careless or oversimplified manner.

“You shouldn't lump all teenagers together as if they all behave the same way.”

“Critics argued that the report unfairly lumped several distinct social issues together, failing to address the unique causes of each problem.”

Usage

Often used with the preposition 'together'.

05to tolerate

C1 · Advanced Informal

v. to accept a situation you do not like because you cannot change it.

v. to endure or tolerate an unpleasant situation; almost exclusively used in the idiom 'like it or lump it'.

“The office is moving to the city centre, so we just have to like it or lump it.”

“The new regulations are mandatory for all staff members; they will simply have to like it or lump it until the next review cycle.”

Synonyms

06a person

C2 · Proficiency Countable noun Informal · Humorous

n. a person who is heavy, slow, or lazy.

n. a person perceived as being physically large, clumsy, or mentally dull.

“Get off the sofa, you big lump, and help me with the shopping.”

“He was a great, silent lump of a man who rarely spoke but was surprisingly efficient at heavy manual labour.”

Synonyms

oafbrute

Real-World Examples

“People dedicated to the art of grilling often choose lump charcoal — actual pieces of wood that have been turned into charcoal – over briquettes, which are compressed charcoal dust with other ingredients to keep the dust together and help it burn better.”
PBS News 28 Jun 2025

Etymology

From Middle English lumpe, from a Germanic base akin to Proto-Germanic *limpaną (“to glide, go, hang loosely”). Compare Dutch lomp (“rag”), German Low German Lump (“rag”), German Lumpen (“rag”) and Lump (“ragamuffin”).

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

Word family

NOUN

lump(B1)

ADJECTIVE

Idioms

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.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL 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: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Frequent
Level
B1 · Intermediate
Updated

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English Reference