[hahrd-n-fast, -fahst]


strongly binding; not to be set aside or violated: hard-and-fast rules.

Origin of hard-and-fast

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

Synonyms for hard-and-fast

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hard-and-fast

Contemporary Examples of hard-and-fast

  • At the least, there must be hard-and-fast laws about insider trading, right?

    The Daily Beast logo
    Are Ethics for Suckers?

    Joanne Lipman

    April 11, 2011

Historical Examples of hard-and-fast

  • 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)