13
odd(adjective, unusual, strange, uneven, single)
9
unmatched
5
singular(adjective, unusual, strange, spare, irregular)
4
unmated
3
funny(adjective, unusual, strange, abnormal)
3
peculiar(adjective, unusual, strange, abnormal)
2
alone(unusual, strange, spare, irregular, single)
2
leftover(adjective, unusual, strange, spare, irregular)
2
lone(unusual, strange, spare, irregular, single)
2
remaining(adjective, unusual, strange, spare, irregular)
2
rum
2
rummy
2
sole(unusual, strange, spare, irregular, single)
1
absolute
1
anomalous(adjective, unusual, strange, abnormal)
1
celibate
1
curious
1
eccentric(adjective, unusual, strange, abnormal)
1
individual(adjective, unusual, strange, spare, irregular)
1
matchless
11 years ago|1.5k views|share |citing 
APASmart Define. (2015). unpaired thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unpaired/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpaired thesaurus" https://smartdefine.org/unpaired/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unpaired thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unpaired/thesaurus/synonyms>.
MLASmart Define. "unpaired thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/unpaired/thesaurus/synonyms>