odd man out

noun

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 ).

Also, odd-man-out.

Origin:
1885–90

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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00:10

odd man out is always a great word to know.

So is quincunx. Does it mean:

a fool or simpleton; ninny.

an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.

American Heritage

Idioms & Phrases

odd man out

A 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]
Something 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]

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