Odds a. : Difference in favor of one and against another; excess of one of two things or numbers over the other; inequality; advantage; superiority; hence, excess of chances; probability.

Odds a. : Quarrel; dispute; debate; strife; -- chiefly in the phrase at odds.

Example:
What are the Odds of being taken hostage?

Taxonomy
odds, probability, the odds, stake, bet, bookmaker, probability theory, wagers, even odds, relative probabilities, horses, ratio, free encyclopedia, true odds, three horses, day of the week, decimal odds, payout odds.

Defination from the web:
odds in favor of an event or a proposition are the quantity , where p is the probability of the event or ... However, even in probability theory, odds may play a more natural or a more convenient role than probabilities. ...