English Reference

Word

luck

US/ˈɫək/

UK/lˈʌk/

Definitions

01chance events

A2 · Elementary Uncountable noun

n. the things that happen to you by chance, which you cannot control.

n. the force that seems to operate for good or ill in a person's life, as shaped by circumstances beyond one's control.

“It was pure luck that I found my keys in the grass.”

“Whether the venture succeeds or fails depends as much on sheer luck as it does on the quality of the initial business plan.”

Pitfall

I had a good luck today.

I had good luck today.

Luck is an uncountable noun and does not take the indefinite article 'a'.

Antonyms

02success

A2 · Elementary Uncountable noun

n. success or good fortune.

n. success or a positive outcome, often used in the context of wishing someone well.

“I wish you the best of luck with your job interview tomorrow.”

“After several attempts to fix the engine without any luck, he finally decided to call a professional mechanic.”

03randomness in games

C1 · Advanced Uncountable noun Computing Technical

n. the results of a random process, like rolling dice or a computer program.

n. the outcome of a random number generator or stochastic process in gaming or computing.

“The game relies too much on luck rather than player strategy.”

“The developers adjusted the luck mechanics to ensure that rare items dropped more consistently for long-term players.”

Synonyms

Antonyms

04to find by chance

B2 · Upper Intermediate Informal

v. to find or get something good by accident.

v. to acquire or experience something desirable through good fortune; typically used with prepositions like 'into' or 'onto'.

“He lucked into a great apartment just as the prices were rising.”

“She lucked onto a rare first-edition copy of the novel while browsing a dusty corner of the local charity shop.”

Usage

This verb is intransitive and almost always requires a prepositional phrase starting with 'into', 'onto', or 'upon'.

Synonyms

stumble uponhappen upon

Collocations

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

01. luck for the future

Word family

NOUN

luck(A2)

ADJECTIVE

Related words

Idioms

Domain

Computing

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.A2 KeyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.3.0–4.0TOEFL 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: 2.0–2.524–43TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.225–549
Frequency
Very common
Level
A2 · ElementaryOxford
Updated

QR code

englishreference.com/q/luck

English Reference