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.

Now, a little more than two years into the job, May has the Wolverines in the national championship as the odds-on favorites to cut down the nets.

From The Wall Street Journal • Apr. 5, 2026

Spirited Boss, at 18-1, held off Amorita as well as defending champion and odds-on favorite Queen Maxima, to win for trainer Jose Francisco D’Angelo.

From Los Angeles Times • Apr. 4, 2026

Expectations about the Federal Reserve’s next policy meeting oscillated sharply this past week, with a quarter-point cut in the federal-funds target rate once again being the odds-on bet.

From Barron's • Nov. 22, 2025

"He would have been odds-on to have the first haircut."

From BBC • Aug. 8, 2025

"It's an odds-on chance she'll not fancy him, Di."

From The Highgrader by Hutchison, D. C.

odds-on

Example Sentences

Related Words