ace up one's sleeve

noun

A surprise advantage of which others are not aware.

Meanings

nounace up one's sleeve (plural aces up one's sleeve)

plural aces up one's sleeve

  1. idiomaticA surprise advantage of which others are not aware.

    SCP-7450 is an apocalyptic scenario where the Foundation has to resort to an ace up their sleeves and belief in a higher power solves the problem, but not in the way anyone would expect.

    2023 October 14, “Exploring the SCP Foundation: SCP-7450 - L is for Lamentations” (0:49 from the start), in The Exploring Series, archived from the original on 14 Oct 2023

    Synonyms: ace in the hole, trick up one's sleeve

Synonyms & antonyms

nounA surprise advantage of which others are not aware.

Origin

From the dishonest hiding of a high-value ace card for use during play, e.g. in the game of poker.

Full word history & related roots →

Translations

Chinese Cantonese 秘密王牌
  • 秘密王牌a surprise of which others are not aware
Chinese Mandarin 秘密王牌
  • 秘密王牌 (mìmì wángpái)a surprise of which others are not aware
Czech Eso v rukávu
  • Eso v rukávua surprise of which others are not aware
Estonian Trump tagataskust
  • Trump tagataskusta surprise of which others are not aware
Finnish ässä hihassa
  • ässä hihassaa surprise of which others are not aware
French joker, as dans la manche
  • jokera surprise of which others are not aware
  • as dans la manchea surprise of which others are not aware
  • atout dans la manchea surprise of which others are not aware
  • avoir un atout dans sa manchea surprise of which others are not aware
  • garder un atout dans sa manchea surprise of which others are not aware
German Ass im Ärmel, Trumpf im Ärmel
  • Ass im Ärmela surprise of which others are not aware
  • Trumpf im Ärmela surprise of which others are not aware
Italian asso nella manica
  • asso nella manicaa surprise of which others are not aware
Japanese 切り札, 奥の手
  • 切り札 (kirifuda)a surprise of which others are not aware
  • 奥の手 (okunote)a surprise of which others are not aware
Norwegian ess i ermet
  • ess i ermeta surprise of which others are not aware
Polish as w rękawie
  • as w rękawiea surprise of which others are not aware
Portuguese carta nas mangas, ás na manga
  • carta nas mangasa surprise of which others are not aware
  • ás na mangaa surprise of which others are not aware
Russian козырь, туз в рукаве́
  • козырь (kozyrʹ)a surprise of which others are not aware
  • туз в рукаве́ (tuz v rukavé)a surprise of which others are not aware
  • козы́рна́я ка́рта (kozýrnája kárta)a surprise of which others are not aware
Spanish as en la manga, as bajo la manga
  • as en la mangaa surprise of which others are not aware
  • as bajo la mangaa surprise of which others are not aware
Swedish äss i rockärmen
  • äss i rockärmena surprise of which others are not aware
Cite this entry
APA

ace up one's sleeve. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/ace%20up%20one's%20sleeve

MLA

“ace up one's sleeve.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ace%20up%20one's%20sleeve. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “ace up one's sleeve,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/ace%20up%20one's%20sleeve.

Source: ace up one's sleeve on Wiktionary, CC BY-SA 4.0.