1. not divisible by two

Similar word(s): uneven

2. not easily explained

- it is odd that his name is never mentioned

Similar word(s): unusual

3. an indefinite quantity more than that specified

- invited 30-odd guests

Similar word(s): inexact

4. strange, unusual.

- had an odd name

Similar word(s): strange, unusual, curious, funny, peculiar, rum, rummy, singular

5. of the remaining member of a pair

- an odd glove

Similar word(s): mismatched, unmatched, unmated, unpaired

6. not used up

- some odd dollars left

Similar word(s): unexhausted, left, leftover, remaining, unexpended

Sentences with odd as an adjective:

- Optimistically, he had a corner of a drawer for odd socks.

- She slept in, which was very odd.

- but for the odd exception

- I'm the odd one out.

- He's only worked odd jobs.

- There were thirty-odd people in the room.

- The product of odd numbers is also odd.