10
uncommonness(noun, infrequency)
9
abnormality(noun, different, deviation, quirk, peculiarity)
6
singularity(noun, flaw, deviation, irregularity, peculiarity)
6
unconventionality(noun, originality, eccentricity, peculiarity, nonconformity)
5
eccentricity(noun, flaw, deviation, irregularity, peculiarity)
5
irregularity(noun, flaw, deviation, peculiarity, aberration)
5
oddness(noun, deviation, irregularity, peculiarity, nonconformity)
5
rarity(noun, wonderful, wonder, phenomenon, infrequency)
5
strangeness(noun, flaw, deviation, irregularity, peculiarity)
5
uniqueness(noun, originality, individuality, idiosyncrasy, eccentricity)
4
aberration(noun, flaw, deviation, irregularity, peculiarity)
4
distinctiveness(noun, trait, individuality, idiosyncrasy, quirk)
4
idiosyncrasy(noun, deviation, quirk, irregularity, peculiarity)
4
individuality(noun, idiosyncrasy, particularity)
4
oddity(noun, flaw, deviation, irregularity, peculiarity)
4
peculiarity(noun, characteristic, flaw, deviation, irregularity)
4
unfamiliarity(noun, strangeness)
3
deviation(noun, flaw, irregularity, aberration, abnormality)
3
sparsity(noun, infrequency)
2
anomaly(noun, flaw, deviation, irregularity, peculiarity)
11 years ago|2.3k views|share |citing 
APASmart Define. (2015). unusualness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unusualness/thesaurus/synonyms
ChicagoSmart Define. 2015. "unusualness thesaurus" https://smartdefine.org/unusualness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unusualness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unusualness/thesaurus/synonyms>.
MLASmart Define. "unusualness thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unusualness/thesaurus/synonyms>