Definition of "hard-and-fast" []

• Strictly maintained (as of rules) (adjective)

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• "And then, how can any average user protect themselves from the dread synergy of hard-and-fast policies with zero customer service?"
• "Lots of us will feel attracted to both sexes during our lives and there are no hard-and-fast rules when it comes to human instinct."
• "The target was already pushed back from the original Sunday agenda, and some investors believe the Nov. 3-4 Group of 20 meeting in Cannes, France, is the hard-and-fast deadline."