- a method of selecting or eliminating a person from a group, as by matching coins, especially in preparation for playing a game.
- the person so selected or eliminated.
- a game consisting of this method.
- outsider(def 2).
1A person who is left out of a group for some reason, as in The invitation was for couples only, so Jane was odd man out. [Mid-1800s] 2Something or someone who differs markedly from the others in a group, as in Among all those ranch-style houses, their Victorian was odd man out. [Late 1800s]