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hard-and-fast

[hahrd-n-fast, -fahst]
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adjective
  1. strongly binding; not to be set aside or violated: hard-and-fast rules.
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Origin of hard-and-fast

First recorded in 1865–70
Related formshard-and-fast·ness, noun

Synonyms

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fixed, precise, inflexible, inviolable, rigorous, unambiguous.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hard-and-fast

Contemporary Examples

Historical Examples

  • They refuse to accept the hard-and-fast rules that are laid down for them.

    By the Christmas Fire

    Samuel McChord Crothers

  • This is not a hard-and-fast rule, but one which usually it is safe to follow.

    The Pianolist

    Gustav Kobb

  • She taught me to dance against and around the hard-and-fast beat of the music.

    My Antonia

    Willa Cather

  • A matter with which, by hard-and-fast agreement, she has absolutely nothing to do!

    On the Stairs

    Henry B. Fuller

  • So I bound myself by a hard-and-fast contract so that I could not escape.

    Mark Twain's Speeches

    Mark Twain (Samuel Clemens)