odd

adjective

1. 1

   not easily explained

   it is odd that his name is never mentioned

2. 2

   not divisible by two

3. 3

   an indefinite quantity more than that specified

   invited 30-odd guests

4. 4

   not used up

   leftover meatloaf

   she had a little money left over so she went to a movie

5. 5

   beyond or deviating from the usual or expected

   a curious hybrid accent

   her speech has a funny twang

6. 6

   of the remaining member of a pair, of socks e.g.