lump

lump — noun

1. a solid piece of a substance that has no fixed or regular shape

1.nounB1
Definition

a solid piece of a substance that has no fixed or regular shape

Example

Eli added a lump of sugar to his coffee and stirred it slowly.

collocation: lump of sugar

The sauce had lumps in it because Andrei had not mixed it long enough.

collocation: lumps in sauce

Common collocations
  • lump of sugar/clay/coal/butter/meat
  • form a lump
  • break into lumps
  • lumps in sauce/soup
Synonyms
  • chunk

    a thicker, more defined piece, often cut or broken off something

  • clump

    suggests a mass formed by materials sticking together, like mud or hair

  • hunk

    a large, thick piece of food or material, more colloquial than 'lump'

Antonyms
  • piece

    'piece' is more neutral and can refer to any fraction of something, while 'lump' emphasizes shapelessness

Grammar Patterns

lump + of + [substance]

Usage Note

Countable noun. Often followed by 'of' to describe what the lump is made of, as in 'a lump of coal' or 'a lump of butter.'

Common Mistakes

I need a lump of apple.
I need a lump of clay / coal / butter.
'lump' is used for amorphous solid substances, not for fruit or neatly shaped objects.

2. a large quantity of money or something valuable that is treated as one total uni

2.nounB2
Definition

a large quantity of money or something valuable that is treated as one total unit rather than being divided

Example

The lottery winner chose to receive the prize as a single lump payment instead of yearly instalments.

collocation: lump payment / lump sum

Mateo decided to invest his entire lump sum of savings in buying a small house near the beach.

Common collocations
  • a lump sum
  • a lump payment
  • a lump of savings/money/cash
Synonyms
  • total

    the final sum after adding everything up; less casual than 'lump'

  • aggregate

    formal, used in technical or academic contexts

  • lump sum

    the specific expression used in financial agreements

Antonyms
  • instalment

    a single payment of a divided total, the opposite of a lump sum

Grammar Patterns

lump + of + [money/resource]

a lump sum

Usage Note

Most common in financial contexts with 'sum' or 'payment.' The phrase 'lump sum' is a set expression meaning a single payment of the full amount.

Common Mistakes

I got a lump of gifts for my birthday.
I got a lump sum of money from the insurance company.
'lump' in this sense is used for money or quantitative resources, not for physical objects like gifts.

3. a raised or hardened area that can develop beneath the outer layer of the body,

3.nounB2
Definition

a raised or hardened area that can develop beneath the outer layer of the body, often because of sickness or a wound

Example

Daichi found a small hard lump on his neck and immediately booked a doctor's appointment.

After the mosquito bite, a red itchy lump appeared on Hamza's forearm within minutes.

collocation: lump appeared on [body part]

Common collocations
  • find/feel/discover a lump
  • lump on/in/behind [body part]
  • a lump appears
  • a hard/painful/swollen lump
  • a harmless lump
Synonyms
  • bump

    a raised area on the skin, usually smaller and less alarming than a lump

  • swelling

    general term for an enlarged area of the body, neutral in register

  • growth

    implies something that has grown abnormally, often more serious in tone

  • cyst

    a specific type of lump filled with fluid or soft material

Grammar Patterns

lump + on/in/behind + [body part]

Usage Note

Frequently used in medical contexts. A lump can be harmless or a sign of a serious condition such as cancer. In everyday speech, 'lump' and 'bump' are often used interchangeably for small swellings.

Common Mistakes

I have a lump on my shirt.
I have a lump on my neck.
Do not use 'lump' for bumps or folds in clothing; use 'bump' or 'wrinkle' instead.

4. someone described as heavy, slow, or clumsy, usually in an informal teasing way

4.nounC1
Definition

someone described as heavy, slow, or clumsy, usually in an informal teasing way

Example

The coach called the new player a useless lump after he kept tripping over his own feet during training.

informal insult: useless lump

Reuben is a big friendly lump who would never hurt anyone, but he does break things by accident.

Common collocations
  • a big/fat lump
  • you great lump
  • useless lump
  • lazy lump
Synonyms
  • oaf

    a stupid, clumsy person; more insulting than 'lump'

  • clod

    similar to oaf, suggesting both clumsiness and stupidity; old-fashioned

  • lummox

    a clumsy, stupid person; informal and somewhat dated

Usage Note

Informal and potentially insulting. Often used teasingly among friends or as a mild insult. In British English, it can also be softened with 'big' as in 'you big lump' to sound more affectionate.

Common Mistakes

My professor is a lump.
My brother is a lazy lump who never helps around the house.
'lump' for a person is very informal and is typically used for someone you know well, not in formal contexts.
Idioms

You feel a tightness in your throat because you are very sad or emotional.

Maya had a lump in her throat when she saw her son graduate.

Did you have a lump in your throat during the farewell speech?

You accept the bad things that happen to you without complaining.

Brian took his lumps after the team lost the championship game.

If you make a mistake, you have to take your lumps.

lump — verb

lump — adjective

Word family

  • lumpy
    adjectiveB2
  • lumpiness
    nounC1
  • lumpish
    adjectiveC1

Synonym discussion

Sense: noun/1

All four words describe a piece of a larger substance, but they differ in shape, texture, and usage. 'Lump' emphasizes shapelessness and solidity — a lump of coal or clay has no regular outline. 'Chunk' suggests a thicker, more defined piece that has been cut or broken off, such as a chunk of bread or cheese. 'Clump' highlights things that stick together, like a clump of mud or hair, often implying a loose, messy cluster. 'Hunk' is the most colloquial and usually describes a large, appealing piece of food, like a hunk of meat or cheese. For everyday objects like sugar or butter, 'lump' is the default; for neatly cut portions, use 'chunk'; for sticky masses, use 'clump'; and for food you are about to eat, 'hunk' feels natural.

Common collocations

Adverbs

Phrases

  • lump sum
  • like it or lump it
  • lump it

Prepositions

Etymology

ScandinavianMiddle EnglishEnglish

The word 'lump' comes from Middle English 'lumpe,' which appeared around 1300. It may have entered English from a Scandinavian source — compare Old Norse 'leppr' meaning a lock of hair or a rag. The sense of a shapeless mass was the original meaning. By the 1700s, it had developed the verb sense of 'to put up with' (in the phrase 'lump it'), and by the 1800s, the financial meaning of a 'lump sum' was established. The adjective use grew naturally from the noun in the context of undivided payments.