mission impossible

noun

An extremely difficult, if not impossible, task.

Meanings

nounmission impossible (plural missions impossible or mission impossibles)

plural missions impossible · plural mission impossibles

  1. An extremely difficult, if not impossible, task.

    Mission impossibles occur continuously.

    1995, Jack W. Hunger, Engineering the system solution: a practical guide to developing systems, page xvi
    5 more examples

    2001, United States Senate Committee on Finance, Globalization and American trade policy: hearing before the Committee on Finance, United States Senate, 107th Congress, first session, February 27, 2001, Volume 4, page 23, Go out and educate and sell in the course of negotiating basic trade issues the mission impossibles.

    Ten years ago, Julia Littlebury and I put together a booklet for parents who were doing their best to raise difficult children.[…]This would include children in foster care, adoptive homes and many children with one or both biological parents. We called the booklet Mission Impossible — Or Is It? (Ziegler & Littlebury, 1994).

    2005, Dave Ziegler, Achieving Success with Impossible Children: How to Win the Battle of Wills, page 3

    The resulting differences in the demands on scientific versus journalistic information lead to the central question of this paper: Is journalistic work based on scientific findings a mission impossible or is there a way of combining complexity and simplicity in one text?

    2007, Steffen Kolb, Steffen Nurkhardt, “Mission Impossible? Media Coverage of Scientific Findings”, in Hans von Storch, Richard S. J. Tol, Götz Flöser, editors, Environmental Crises, page 65

    Is the sound short, long or nasal? Sounds like mission impossible!

    2011, Lorna Wright, Marie-Jo Morelle, 50 Ways to Improve your French: Teach Yourself, unnumbered page

    With exceptional capabilities and expertise unmatched by his peers—such as flexible thinking and tactful negotiation skills—Takasaki succeeded in accomplishing many missions impossible that nobody else could.

    2012, Mayumi Itoh, Pioneers of Sino-Japanese Relations: Liao and Takasaki, page 204

Origin

From the television series Mission: Impossible, first broadcast in the 1960s.

Full word history & related roots →

Translations

Finnish mahdoton tehtävä
  • mahdoton tehtäväextremely difficult or impossible task
French mission impossible
  • mission impossibleextremely difficult or impossible task
Greek επικίνδυνη αποστολή
  • επικίνδυνη αποστολή (epikíndyni apostolí)extremely difficult or impossible task
Portuguese missão impossível
  • missão impossívelextremely difficult or impossible task
Cite this entry
APA

mission impossible. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/mission%20impossible

MLA

“mission impossible.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mission%20impossible. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “mission impossible,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mission%20impossible.

Source: mission impossible on Wiktionary, CC BY-SA 4.0.