adjective Slang.

inoperative; canceled: The Tuesday space launch is no-go.
not ready.
not functioning properly.

Origin of no-go

First recorded in 1865–70 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for no-go

Contemporary Examples of no-go

  • “Swaths of the north are no-go areas,” said an executive at a leading oil company.

    The Daily Beast logo
    Boko Loco: A View From Nigeria

    Lola Ogunnaike

    May 9, 2014

  • Secure the border; ceding a no-go zone to foreign drug lords on American territory is not acceptable.

    The Daily Beast logo
    A Centrist Gets Fighting Mad

    Mark McKinnon

    October 13, 2010

  • To a young artist in the 1980s, the SoHo galleries that mattered seemed an unreachable territory, a no-go land.

    The Daily Beast logo
    Mapping the Art World

    Anthony Haden-Guest

    December 24, 2009

Word Origin and History for no-go

with sense "where it is forbidden to go," 1971, from no + go (v.). Earlier it was a noun phrase for an impracticable situation (1870).

Online Etymology Dictionary, © 2010 Douglas Harper