Answer: unpaired

AnswerCrossword Clue
UNPAIREDLike an odd sock
UNPAIREDOdd, as a sock
UNPAIREDSingle
unpairedcombination of two things matched for use together
unpairednot paired
unpairedtwo associated persons or things
unpairedobject consisting of two joined parts
unpairedto form (into) a pair