1. having unusual or peculiar characteristics that are distinctive to a particular person or thing

Examples

• The artist’s idiosyncratic style made her paintings instantly recognizable.
• His idiosyncratic way of organizing files confused his coworkers.
• The restaurant’s idiosyncratic menu featured unusual flavor combinations.
• She had an idiosyncratic habit of humming while she worked.
• The director’s idiosyncratic approach to filmmaking divided critics.
• Each culture has its own idiosyncratic customs and traditions.