je ne sais quoi

UK/ˌʒə nə seɪ ˈkwɑː/US/ˌʒə nə seɪ ˈkwɑ//ˌʒə n(ə)sɛ ˈkwɑː/

noun

An indefinable quality that makes something distinctive or attractive.

“She has a certain je ne sais quoi about her.”

Meanings

nounje ne sais quoi (plural je ne sais quoi)
  1. An indefinable quality that makes something distinctive or attractive.

    She has a certain je ne sais quoi about her.

    1 more example

    "Say, you others, I find that the Englishman has something of truly distinguished in the voice, something of sympathetic, of touching—something of je ne sais quoi!" Bouchardy: "Yes, yes—something of je ne sais quoi! That's the very phrase— […]"

    1894, George du Maurier, “Part Second”, in Trilby: A Novel, New York, N.Y.: Harper & Brothers, →OCLC, page 85

Synonyms & antonyms

Origin

  1. Frenchje ne sais quoi
  2. Englishje ne sais quoi

Borrowed from French je ne sais quoi (literally “I don't know what”).

Full word history & related roots →

Translations

Afrikaans ek weet nie wat nie
  • ek weet nie wat nieindefinable quality that makes something distinctive
Catalan no-sé-què
  • no-sé-quèindefinable quality that makes something distinctive
Czech bůhvíco, kdovíco
  • bůhvícoindefinable quality that makes something distinctive
  • kdovícoindefinable quality that makes something distinctive
  • cosiindefinable quality that makes something distinctive
Dutch ik-weet-niet-wat, je ne sais quoi
  • ik-weet-niet-watindefinable quality that makes something distinctive
  • je ne sais quoiindefinable quality that makes something distinctive
Finnish se jokin, en-tiedä-mikä
  • se jokinindefinable quality that makes something distinctive
  • en-tiedä-mikäindefinable quality that makes something distinctive
French je ne sais quoi, je-ne-sais-quoi
  • je ne sais quoiindefinable quality that makes something distinctive
  • je-ne-sais-quoiindefinable quality that makes something distinctive
  • Dieu sait quoiindefinable quality that makes something distinctive
  • on ne sait quoiindefinable quality that makes something distinctive
German gewisse Etwas
  • gewisse Etwasindefinable quality that makes something distinctive
Greek πώς να το πω, πώς να σου το πω
  • πώς να το πω (pós na to po)indefinable quality that makes something distinctive
  • πώς να σου το πω (pós na sou to po)indefinable quality that makes something distinctive
Italian non so che
  • non so cheindefinable quality that makes something distinctive
Portuguese não-sei-quê, não-sei-o-quê
  • não-sei-quêindefinable quality that makes something distinctive
  • não-sei-o-quêindefinable quality that makes something distinctive
Russian э́такое
  • э́такое (étakoje)indefinable quality that makes something distinctive
Spanish no sé qué
  • no sé quéindefinable quality that makes something distinctive

Rhymes & wordplay

Rhymes with je ne sais quoi

All rhymes →
Cite this entry
APA

je ne sais quoi. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/je%20ne%20sais%20quoi

MLA

“je ne sais quoi.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/je%20ne%20sais%20quoi. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “je ne sais quoi,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/je%20ne%20sais%20quoi.

Source: je ne sais quoi on Wiktionary, CC BY-SA 4.0.