exceptionnelle
exceptionnelle is the feminine singular form of the French adjective exceptionnel, meaning extraordinary, remarkable, or out of the ordinary. It is used to describe feminine nouns and phrases that have an elevated or unusual quality.
Etymology and grammar: the word derives from Latin exceptionalis through Old French, built from the noun exception
Usage: the term is common in everyday language, journalism, literature, and marketing to emphasize high quality
Notes: exceptionnelle is specifically the feminine form and agrees with feminine nouns. The related noun is