1. the quality of being the only one of its kind; the state of being unlike anything else
2. the quality of being special, remarkable, or unusual

Examples

• The uniqueness of her artistic style made her paintings instantly recognizable.
• Scientists were amazed by the uniqueness of the newly discovered species.
• The company’s uniqueness in the market helped it stand out from competitors.
• Each snowflake’s uniqueness demonstrates the complexity of natural processes.
• The uniqueness of his approach to problem-solving impressed his colleagues.
• The museum celebrated the uniqueness of local cultural traditions.
• Her uniqueness as a performer drew audiences from around the world.