English Reference

Word

odds

US/ˈɑdz/

UK/ˈɒdz/

Definitions

01probability

B2 · Upper Intermediate Plural noun

n. the likelihood or chance that a particular thing will happen.

n. the probability that a certain event will occur, often expressed as a ratio.

“The odds of winning the lottery are very low, but people still buy tickets.”

“Given the current economic climate, the odds of a full recovery within the next fiscal year remain slim according to most analysts.”

Usage

Always used in the plural form.

02betting ratio

B2 · Upper Intermediate Plural noun

n. the amount of money you can win in a bet compared to the amount you risk.

n. the ratio of the potential winnings to the stake in a gambling context.

“The bookies have offered odds of ten-to-one on the local team winning.”

“Professional gamblers rarely place bets unless the odds offered by the bookmaker significantly undervalue the actual probability of the outcome.”

Usage

Usually plural; often used with the preposition 'on' or 'against'.

Synonyms

03at odds (disagreement)

C1 · Advanced Plural noun Formal

n. to be in a state of disagreement or conflict with someone.

n. a state of being in conflict, variance, or disagreement; almost exclusively used in the idiom 'at odds with'.

“The two brothers were often at odds with each other over how to run the family business.”

“The director's vision for the film was fundamentally at odds with the studio's requirement for a family-friendly rating.”

Usage

Used in the fixed phrase 'at odds with'.

Antonyms

04against the odds

B2 · Upper Intermediate Plural noun

n. to succeed even though it seemed impossible or very unlikely.

n. referring to a situation where success is achieved despite very low probability or significant obstacles.

“Against all odds, the small boat survived the storm and reached the shore.”

“The startup managed to secure a second round of funding against the odds, despite the general downturn in tech investment.”

Usage

Used in the fixed phrase 'against the odds' or 'against all odds'.

Synonyms

despite the difficulties

Collocations

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

Noun

01. odds ratio

“Researchers calculated the odds ratio to determine the link between the treatment and the recovery rate.”

noun + noun

Real-World Examples

“The answer is that it makes sense to switch, because you double your odds of winning from 1/3 to 2/3.”
The Guardian 17 Aug 2026
“Deeply eccentric, staffed by the barely employable, and permanently teetering on the brink of bankruptcy, St Anne’s hangs on, against all the odds.”
The Guardian 16 Jul 2026

Word family

ADJECTIVE

Idioms

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
Common
Level
C1 · AdvancedOxford
Updated

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English Reference