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idiosyncrasy
idiosyncrasy Idiosyncrasy is a person's distinctive way of reacting to certain outside influences, especially when the response does not fit well with ordinary physiological or psychological expectations.
Idiosyncrasy is a person's distinctive way of reacting to certain outside influences, especially when the response does not fit well with ordinary physiological or psychological expectations. It refers to unusual individual sensitivities, preferences, or effects in areas such as sensations, substances, or habits of mental activity, rather than to broad traits like temperament or constitution.