Definition of odd number
- The numbers 1, 3, 5, and 7 are odd numbers.
: being without a corresponding (see corresponding 1) mate
: left over after others are paired or grouped
: separated from a set or series
: a sum of units : total
: an indefinite usually large total
: count, enumerate
: to claim as part of a total : include
: to restrict to a definite number
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