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hard-and-fast

adjective
\ ˌhärd-ᵊn-ˈfast How to pronounce hard-and-fast (audio) \

Definition of hard-and-fast

: not to be modified or evaded : strict a hard-and-fast rule

First Known Use of hard-and-fast

1822, in the meaning defined above

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More Definitions for hard-and-fast

hard-and-fast

adjective
How to pronounce hard-and-fast (audio)

English Language Learners Definition of hard-and-fast

—used to say that something (such as a rule) cannot be changed

See the full definition for hard-and-fast in the English Language Learners Dictionary

More from Merriam-Webster on hard-and-fast

Rhyming Dictionary: Words that rhyme with hard-and-fast

Thesaurus: All synonyms and antonyms for hard-and-fast

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