Odd means unpaired, occasional, strange or unusual, or a person who is viewed as eccentric.

Odd comes from the Old Norse word oddi, meaning "point of land." Points of land so designated in Old Norse being roughly triangular, oddi was over time generalized to mean "triangle." Since a point of land can be seen as the apex, or tip, of a triangle, with the other two angles forming a pair at the base, the word ...