idiosyncrasy
/ˌɪdɪə(ʊ)ˈsɪŋkrəsi/
noun - idiosyncrasies
1 A mode of behaviour or way of thought peculiar to an individual.
1.1 A distinctive or peculiar feature or characteristic of a place or thing.
2 Med An abnormal phys reaction by an individual to a food or drug.
from Greek idiosunkrasia, from idios ‘own, private’ + sun ‘with’ + krasis ‘mixture’.
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In spite of efforts to make us blend seamlessly into society, we are all unique. Proudly display your idiosyncrasy!