adjective
odd
Not divisible by two into equal whole-number groups.
An odd number of players leaves one person without a partner.
Etymology
The Old Norse ancestor concerns an odd point or unmatched element. An odd number leaves one unit unpaired when divided into pairs.
More examples
- Seven is odd because dividing it by two leaves a remainder.
- The houses on this side all have odd numbers.
- After we match the socks, one odd sock remains.
Forms
odd
Similar words
- unpaired
- Unpaired describes something without a match, not numerical divisibility.