1. the quality or state of being exceptional; the fact of being unusual, remarkable, or outstanding
Usage: abstract noun; typically uncountable

Examples

• The exceptionalness of her talent was recognized by music teachers across the school.
• The report highlighted the exceptionalness of this year's test scores compared to previous years.
• His exceptionalness as an athlete set him apart from his peers.
• The exceptionalness of the discovery made it front-page news.
• We cannot ignore the exceptionalness of her contributions to the field.
• The exceptionalness of the weather pattern concerned climate scientists.