Meaning of the word "je ne sais quoi" in English

What does "je ne sais quoi" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

je ne sais quoi

US /ˌʒə n(ə) seɪ ˈkwɑː/
UK /ˌʒə n(ə) seɪ ˈkwɑː/
"je ne sais quoi" picture

Noun

1.

an appealing quality that cannot be adequately described or named

Example:
She has a certain je ne sais quoi that makes her irresistible.
The old painting had a mysterious je ne sais quoi.
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