English Reference

Word

bump

US/ˈbəmp/

UK/bˈʌmp/

Definitions

01to hit by accident

A2 · Elementary

v. to hit something or someone by accident while you are moving.

v. to strike or collide with something, typically with a light or jolting impact.

“I accidentally bumped into the table and spilled my coffee.”

“The cyclist bumped into the curb, losing his balance and narrowly avoiding a collision with a parked car.”

Pitfall

I bumped with the wall.

I bumped into the wall.

Use the preposition 'into' after 'bump' when you hit an object or person.

Synonyms

Antonyms

02to remove from a flight/list

B2 · Upper Intermediate Informal

v. to remove someone from a flight or a seat because it is overbooked.

v. to displace a passenger or participant from a scheduled service, usually due to overbooking or seniority protocols.

“The airline bumped us to a later flight because the plane was full.”

“Several passengers were bumped from the overbooked flight, though the airline offered significant travel vouchers as compensation.”

Antonyms

03to increase or move up

B2 · Upper Intermediate Informal

v. to move something to a higher level or a later time.

v. to increase a quantity or shift a scheduled event to a different position.

“They decided to bump the meeting up to 9:00 AM.”

“The marketing team managed to bump the sales figures by ten percent after the social media campaign went viral.”

Synonyms

Antonyms

04internet forum

B2 · Upper Intermediate Computing Informal

v. to post a comment on a website just to move the topic to the top of the list.

v. to post a brief response in an online thread to ensure it remains visible at the top of the forum index.

“I'll bump this thread so more people can see your question.”

“Users are discouraged from bumping old threads unless they have significant new information to contribute to the discussion.”

Synonyms

05a raised area

B1 · Intermediate Countable noun

n. a small raised part on a flat surface.

n. a protuberance or unevenness on an otherwise level surface.

“The car jolted when it went over a bump in the road.”

“The old wooden floor was full of small bumps and imperfections that made it difficult to slide the furniture into place.”

Synonyms

Antonyms

06swelling on skin

B1 · Intermediate Countable noun Medicine

n. a small, hard area on your skin, often from a minor injury.

n. a localized swelling on the body, typically resulting from a minor blow or an insect bite.

“He got a big bump on his head after hitting the shelf.”

“The child developed a small red bump on her arm, which the doctor identified as a harmless reaction to a mosquito bite.”

07pregnancy

B2 · Upper Intermediate Countable noun Informal

n. the rounded stomach of a pregnant woman.

n. the visible protrusion of the abdomen during pregnancy.

“She wore a loose dress to hide her growing baby bump.”

“The actress proudly displayed her pregnancy bump on the red carpet, ending months of media speculation.”

Synonyms

baby bump

08minor problem

B2 · Upper Intermediate Countable noun Informal

n. a small problem that slows you down but does not stop you.

n. a minor setback or obstacle that temporarily hinders progress.

“We hit a few bumps in the project, but we finished on time.”

“Despite a few initial bumps in the merger process, both companies are now operating as a single, cohesive unit.”

09drug dose

C1 · Advanced Countable noun Slang · Vulgar

n. a small amount of a drug that someone breathes in through their nose.

n. a small quantity of a powdered illicit substance intended for insufflation.

“The police found evidence that people were taking bumps in the bathroom.”

“The witness claimed to have seen the defendant sharing a bump of cocaine in the back of the nightclub.”

Teaching tip

This sense is highly informal and associated with illegal activity; use with extreme caution.

Synonyms

Etymology

From Early Modern English bump (“a shock, blow from a collision”), probably of North Germanic origin; compare Danish bump (“a thump”), Danish bumpe (“to thump”), Old Danish bumpe (“to strike with a clenched fist”), all probably of imitative origin. Apparently related to Middle English bumben, bummen (“to make a hollow noise”), Dutch bommen (“to hum, buzz”), German Low German bumsen (“to bump, push”), German bummen (“to hum, buzz”), Icelandic bumba (“drum”). More at bum, bumble. Compare also bomb.

From Early Modern English; onomatopoeic.

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

Word family

VERB

bump(B1)

ADJECTIVE

Idioms

Domains

InternetMiningPrinting

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

QR code

englishreference.com/q/bump

English Reference