no-no definition

  • noun:
    • Informal One Thing unsatisfactory or impermissible: "And Even Though their company wasn't the only active in the instance, just what he did is recognized as an absolute no-no” ( Mike Royko).
    • Informal A social blunder; a faux pas.
    • something which is prohibited, prohibited, discouraged or taboo.
    • A no-hitter; a game for which no batter using one regarding the groups got popular.
    • anything inappropriate, unethical, inadvisable, or illegal.

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