odd - adjective

• not divisible by two
• not easily explained
• an indefinite quantity more than that specified
• beyond or deviating from the usual or expected
• of the remaining member of a pair, of socks e.g.
• not used up

odd - thesaurus

curious   funny   left   leftover   peculiar   queer   remaining   rum   rummy   singular   uneven   unexpended   unmatched   unmated   unpaired