idiosyncrasy
/ˌɪdioʊˈsɪnkɹəˌsi/
a mode of behavior or way of thought peculiar to an individual
idiosyncrasy in a sentence
“His idiosyncrasy of humming while working annoyed his colleagues.”
Origin of idiosyncrasy
Greek idios own, private + synkrasis mixture
Related Words
fingerprint
a distinctive characteristic or mark that identifies something
hallmark
a distinctive feature, especially one of excellence
quintessence
the most perfect or typical example of a quality or class
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a person's distinct nature or character, especially as it affects their behavior
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a distinctive pattern, product, or characteristic by which someone or something can be identified
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a person's inherent qualities of mind and character