odd

Syllabification: (odd)

Pronunciation: /äd/

Definition of odd

1different from what is usual or expected; strange:the neighbors thought him very odd [with clause]:it’s odd that she didn’t recognize me

2(of whole numbers such as 3 and 5) having one left over as a remainder when divided by two.
[postpositivein combination] in the region of or somewhat more than a particular number or quantity:she looked younger than her fifty-odd years

3 [attributive] happening or occurring infrequently and irregularly; occasional:neither did she want a secret affair, snatching odd moments together
spare; unoccupied:when you’ve got an odd five minutes, could I have a word?

4separated from a usual pair or set and therefore out of place or mismatched:he’s wearing odd socks

Derivatives

oddish: odd (sense 1).
oddly: odd (sense 1). [sentence adverb]:oddly enough, I didn’t feel nervous [as submodifier]:she felt oddly guilty
oddness

Middle English (odd (sense 2)): from Old Norse odda-, found in combinations such as odda-mathr 'third or odd man', from oddi 'angle'

Definition of odd in the British & World English dictionary