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Definitions

odds-on

[odz-on, -awn] / ˈɒdzˈɒn, -ˈɔn /

ADJECTIVE

irrefutable

Synonyms

STRONGEST

indisputable ironclad unassailable undeniable

WEAK

accurate apodictic can bet on it certain double-checked evident final inarguable incontestable incontrovertible indubitable invincible irrebuttable irrefragable irresistible nof ifs ands or buts obvious positive proven set sure unanswerable unimpeachable unquestionable

Antonyms

STRONGEST

disputable indefinite

WEAK

doubtful dubious questionable refutable uncertain

ADJECTIVE

likely

Synonyms

STRONGEST

acceptable expected fair feasible inclined possible prone reasonable

WEAK

achievable anticipated assuring attainable believeable conceivable conjecturable credible destined disposed favorite given to imaginable in favor of in the cards in the habit of inferable liable on the verge of ostensible plausible practicable predisposed presumable promising rational seeming subject to supposable tending thinkable true up-and-coming verisimilar workable

Antonyms

STRONGEST

impossible unlikely unreasonable

WEAK

implausible inapt unforeseeable

ADJECTIVE

probable

Synonyms

STRONGEST

apparent credible feasible plausible possible presumed reasonable

STRONG

mortal rational

WEAK

believable earthly illusory in the cards most likely ostensible presumable seeming

Antonyms

STRONGEST

implausible impossible improbable inconceivable unbelievable unlikely unreasonable

NOUN

bet

Synonyms

STRONGEST

betting chance long shot odds pledge risk speculation stake venture wager

STRONG

action ante hazard lot lottery parlay play plunge pot raffle shot sweepstakes uncertainty

WEAK

down on random shot shot in the dark

Antonyms

STRONGEST

certainty

NOUN

wager

Synonyms

STRONGEST

bet

STRONG

action ante challenge chunk flyer gamble handle hazard hedge hunch parlay play pledge plunge pot risk stake toss-up venture

WEAK

fifty-fifty fighting chance long shot outside chance

Antonyms

STRONG

certainty proof protection reality safeguard safety surety

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Majborough was the odds-on favourite to claim victory in the big race of the day but a poor jumping display made it an impossible victory.

From BBC • Mar. 11, 2026

Jessie Buckley, who plays the grief-stricken Agnes, is odds-on favourite for best leading actress after winning the best drama actress honours at the Golden Globes.

From Barron's • Feb. 22, 2026

It’s no surprise that Shiffrin and Johnson are the odds-on favorites to win gold.

From The Wall Street Journal • Feb. 9, 2026

Though there’s no direct line between Hemingway and Luk Yu, it was the popular spot for an entourage such as this, so it’s the odds-on favorite.

From Salon • Jul. 12, 2025

If there was any underground work to be done it was an odds-on chance that he would be in charge of it.

From The Big-Town Round-Up by Raine, William MacLeod

odds-on

Example Sentences

Related Words