je ne sais quoi
noun/ʒə nə seɪ ˈkwɑː/
/ʒə nə seɪ ˈkwɑː/
[uncountable] (from French, often humorous)- a good quality that is difficult to describe
- He has that je ne sais quoi that distinguishes a professional from an amateur.
Word OriginFrench, literally ‘I do not know what’.Definitions on the go
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je ne sais quoi