Odder

adjective

1. Differing from what is usual, ordinary or expected.

   "She slept in, which was very odd."

2. Without a corresponding mate in a pair or set; unmatched; (of a pair or set) mismatched.

   "My cat Fluffy has odd eyes: one blue and one brown."

3. Left over, remaining after the rest have been paired or grouped.

   "I'm the odd one out."

4. Left over or remaining (as a small amount) after counting, payment, etc.
5. Scattered; occasional, infrequent; not forming part of a set or pattern.

   "I don't speak Latin well, so in hearing a dissertation in Latin, I would only be able to make out the odd word of it."