English Reference

Word

stumble

Phoneticsstum·ble, stress on the first syllable

US/ˈstəmbəɫ/

UK/stˈʌmbəl/

Definitions

01to trip while walking

B2 · Upper Intermediate

v. to hit your foot against something while walking and almost fall.

v. to trip or momentarily lose one's balance while walking or running. Intransitive; often followed by 'on' or 'over'.

“I stumbled on a loose rock and nearly fell down the hill.”

“The hiker stumbled over a hidden root in the undergrowth, narrowly avoiding a serious injury on the steep descent.”

Usage

Often used with 'on' or 'over' to indicate the obstacle.

Synonyms

02to find by accident

B2 · Upper Intermediate

v. to find something or meet someone by chance.

v. to encounter or discover something unexpectedly. Always takes 'upon' or 'across'.

“We stumbled across a lovely little café while exploring the back streets.”

“While researching the local history, the archivist stumbled upon a series of letters that changed the town's understanding of the war.”

Usage

Requires the preposition 'across' or 'upon'.

Synonyms

encounterdiscoverhappen upon

Collocations

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

Verb

01. cause a stumble

“A loose floorboard caused a stumble that left him with a bruised knee.”

verb + noun

02. recover from a stumble

“The athlete managed to recover from a stumble and still win the race.”

verb + prep + noun

Adjective

03. momentary stumble

“A momentary stumble during her speech didn't stop her from receiving a standing ovation.”

adj + noun

04. slight stumble

“After a slight stumble in the first quarter, the company's profits began to soar.”

adj + noun

Noun

05. stumble in the process

“Any stumble in the process could delay the product launch by several months.”

noun + prep + noun

Preposition

06. without a stumble

“She recited the entire poem from memory without a stumble.”

prep + noun

07. stumbled upon

Real-World Examples

“Vulcan has stumbled due to ongoing problems with the performance of its solid rocket boosters, which are provided by Northrop Grumman.”
Ars Technica 17 Aug 2026
“Labourers were laying drainage pipes when they stumbled across the gold.” Kobe and his colleagues called the police and notified CAW as soon as they came across the gold hoard.”
The Guardian 14 Aug 2026
“The construction workers stumbled across the hidden trove of gold bars and coins while drilling to lay new sewage pipes in the property in east Flanders earlier this week, local media report.”
BBC News 14 Aug 2026
“The Busquets had rested untouched for more than 750 years before Aguelo Mas stumbled upon the site.”
Smithsonian Magazine 9 Jul 2026

Etymology

Ultimately from Proto-Germanic *stam- (“to trip up; to stammer, stutter”), thereby related to German stumm (“mute”), Dutch stom (“dumb”). Doublet of stammer. Also related to verb in Dutch stommelen (“to walk silently”).

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

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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English Reference