| adjective | not divisible by two |
| adjective | not easily explained “it is odd that his name is never mentioned” |
| adjective | an indefinite quantity more than that specified “invited 30-odd guests” |
| adjective | beyond or deviating from the usual or expected “a curious hybrid accent” |
| adjective | of the remaining member of a pair, of socks e.g. |
| adjective | not used up “leftover meatloaf” |
| oddness | noun | the parity of odd numbers (not divisible by two) |
| curiousness | noun | the quality of being alien or not native |
| curiosity | noun | something unusual -- perhaps worthy of collecting |
| oddity | noun | something unusual -- perhaps worthy of collecting |
| peculiarity | noun | something unusual -- perhaps worthy of collecting |
| queerness | noun | a strange attitude or habit |
| singularity | noun | strangeness by virtue of being remarkable or unusual |