English Reference

Word

slip

US/ˈsɫɪp/

UK/slˈɪp/

Definitions

01to slide by accident

A2 · Elementary

v. to slide suddenly and lose your balance, usually on a wet or smooth surface.

v. to lose traction on a surface, resulting in an involuntary sliding movement.

“Be careful not to slip on the icy pavement outside the shop.”

“The hiker slipped on the loose scree, narrowly avoiding a dangerous fall into the ravine below.”

Synonyms

Antonyms

02to move quietly

B1 · Intermediate

v. to move somewhere quickly and quietly so that people do not notice you.

v. to move or pass with a smooth, quiet, or secretive motion to avoid detection.

“She tried to slip out of the room before the meeting ended.”

“He managed to slip through the crowd unnoticed, disappearing into the narrow alleyways of the old city.”

Usage

Often used with prepositions like 'into', 'out of', or 'away'.

Synonyms

03to give secretly

B2 · Upper Intermediate

v. to give something to someone quickly and secretly.

v. to pass an object to another person in a discreet or covert manner.

“The witness slipped a note to the lawyer during the trial.”

“The informant slipped the microfilm into the agent's pocket while they stood together at the crowded bar.”

Usage

Takes a direct object and an indirect object.

Synonyms

04to decline or worsen

B2 · Upper Intermediate

v. to fall to a lower level or become worse.

v. to decline in quality, value, or standard; to move into a worse state.

“The company's profits began to slip after the new competitor arrived.”

“Standards of service at the hotel have slipped significantly since the change in management last year.”

Antonyms

05a small mistake

B1 · Intermediate Countable noun

n. a small mistake, especially one caused by not paying attention.

n. a minor or accidental error, often resulting from a temporary lapse in concentration.

“It was just a small slip, but it changed the meaning of the whole sentence.”

“The accountant's minor slip in the final calculations resulted in a discrepancy of several thousand pounds.”

Teaching tip

Often used in the phrase 'a slip of the tongue' for a speaking mistake.

06a piece of paper

B1 · Intermediate Countable noun

n. a small, thin piece of paper, often used for a specific purpose like a receipt.

n. a small strip or piece of paper, typically used for records, forms, or brief notes.

“Please write your phone number on this slip of paper.”

“The librarian handed him a yellow slip indicating that his requested book had finally arrived.”

Synonyms

07clothing

B2 · Upper Intermediate Countable noun

n. a light piece of clothing worn under a dress or skirt.

n. a woman's undergarment intended to provide a smooth silhouette or prevent outer garments from clinging.

“She wore a silk slip under her lace dress to make it hang better.”

“The vintage boutique specialised in silk slips and lace camisoles from the mid-twentieth century.”

Synonyms

petticoatunderskirt

08a boat's space

C1 · Advanced Countable noun Nautical Technical

n. a place where a boat is kept in a harbour.

n. a docking space or berth for a vessel between two piers or in a boathouse.

“The yacht was safely moored in its slip before the storm arrived.”

“The marina manager assigned the visiting catamaran to a wider slip near the fuel dock.”

Synonyms

Collocations

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

Verb

01. slip away quietly

“We decided to slip away quietly before the party ended to avoid the long goodbyes.”

verb + adv

02. slip into the room

“The student tried to slip into the room without the teacher noticing he was late.”

verb + prep + noun

03. slip on the ice

“Be careful not to slip on the ice while you are walking to the car.”

verb + prep + noun

04. slip through his fingers

“The championship title was so close, but they let the opportunity slip through their fingers.”

verb + prep + possessive + noun

Noun

05. slip of paper

“She wrote her phone number on a small slip of paper and handed it to me.”

noun + of + noun

06. slip of the tongue

“I didn't mean to reveal the secret; it was just a minor slip of the tongue.”

noun + of + noun

Adverb

07. accidentally slip on the floor

“The floor was recently mopped, and I accidentally slipped on the wet surface.”

adv + verb + prep + noun

Real-World Examples

“That difference matters because earthquakes occur when connected blocks of rock build up stress and suddenly slip.”
ScienceDaily 25 Sept 2026
“I write each memory down on a slip of paper before placing it into the jar.”
The Guardian 23 Aug 2026

Word family

VERB

slip(B2)

ADJECTIVE

PHRASAL VERB

Idioms

Domains

AviationBusinessCookingEngineeringMedicineMiningNauticalPrinting

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

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English Reference