je ne sais quoi
/ˌʒə nə seɪ ˈkwɑː/
ot noun
-
An indefinable quality that makes something distinctive or attractive.
She has a certain je ne sais quoi about her.
Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.