idiosyncrasy

• Nom désignant un trait, une habitude ou une manière d'être particulière et distinctive propre à une personne ou à un groupe, souvent perçue comme étrange ou singulière.

A noun referring to a distinctive or peculiar characteristic, habit, or mannerism that is specific to an individual or group.

1. Personal quirkC1formal

   A unique or peculiar habit, behavior, or characteristic of a person.

   Manie personnelle / particularité

   • His idiosyncrasy of always tapping his foot during meetings annoyed some colleagues.
   • She has an idiosyncrasy of arranging her books by color.
   • One of his many idiosyncrasies is eating dessert before the main course.

   Synonymescrotcheteccentricityfoiblemannerismodditypeculiarityquirksingularity

2. Distinctive featureC1formal

   A distinctive or peculiar feature of something, such as a language, system, or object.

   Particularité distinctive

   • The English language has many idiosyncrasies in its spelling rules.
   • The software has an idiosyncrasy that causes it to crash when processing large files.
   • The building's architecture has several idiosyncrasies that make it unique.

   Synonymescharacteristiceccentricitymannerismoddityparticularitypeculiarityquirksingularitytrait