noun plural but singular or plural in construction \ˈädz\

: the possibility that something will happen : the chance that one thing will happen instead of a different thing

: conditions that make it difficult for something to happen

: two numbers that show how much a person can win by betting a certain amount of money

Full Definition of ODDS

a archaic :  inequalities
b obsolete :  degree of unlikeness
a :  an amount by which one thing exceeds or falls short of another <won the election by considerable odds>
b (1) :  a difference favoring one of two opposed things <overwhelming odds>
(2) :  a difference in terms of advantage or disadvantage <what's the odds, if thinking so makes them happy — Flora Thompson>
c (1) :  the probability that one thing is so or will happen rather than another :  chances <the odds are against it>
(2) :  the ratio of the probability of one event to that of an alternative event
:  disagreement, variance —usually used with at <faculty and administration often are at odds on everything — W. E. Brock b1930>
a :  special favor :  partiality
b :  an allowance granted by one making a bet to one accepting the bet and designed to equalize the chances favoring one of the bettors
c :  the ratio between the amount to be paid off for a winning bet and the amount of the bet
by all odds
:  in every way :  without question <by all odds the best book of the year>

First Known Use of ODDS

circa 1520


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