odd

odd /ˈɑːd/ adjective
odd
/ˈɑːd/
adjective
Britannica Dictionary definition of ODD
1 
[also more odd; most odd] odder; oddest : strange or unusual : different from what is normal or expected
2 
always used before a noun : happening in a way that is not planned or regular
3 
always used before a noun : of different kinds or types
4 
always used before a noun : not matched or paired with another thing or person
5 
a  : not able to be divided into two equal whole numbers
b  : marked by an odd number
6 
informal : a little more than a particular number — used in combination with a number

the odd man/one out

: the person or thing that is different from the other members of a group

— oddness

noun [noncount]