odd

Deviating from what is ordinary, usual, or expected; strange or peculiar: synonym: strange.

Being in excess of the indicated or approximate number, extent, or degree. Often used in combination.

Constituting a remainder.

Small in amount.

Being one of an incomplete pair or set.

Remaining after others have been paired or grouped.

Designating an integer not divisible by two, such as 1, 3, and 5.

Not expected, regular, or planned.