Thesaurus

hard-and-fast

adjective

Synonyms and Antonyms of hard-and-fast

1 having been established and usually not subject to change

hard-and-fast rules that governed the corporate environment in those days included strictures regarding office dress that were rigidly enforced

Synonyms of hard-and-fast

certain, determinate, final, firm, fixed, flat, frozen, hard, inexpugnable, set, settled, stable

Words Related to hard-and-fast

nonadjustable, noncancelable, nonnegotiable, unchangeable

constant, steady, unchanging, uniform, unwavering

definite, exact, explicit, specific

given, stated, stipulated

dependable, good, reliable, responsible, safe, solid, sure, tried, tried-and-true, true, trustworthy, trusty

Near Antonyms of hard-and-fast

adjustable, changeable, negotiable

indefinite, open-ended, unspecified

capricious, changeful, flickery, fluctuating, fluid, inconstant, mercurial, mutable, temperamental, uncertain, unpredictable, unsettled, unstable, unsteady, variable, volatile

2 not capable of changing or being changed

hard-and-fast beliefs that are the rock-solid foundation of their religion

Synonyms of hard-and-fast

fixed, immutable, inalterable, incommutable, inflexible, invariable, unalterable, unchangeable

Words Related to hard-and-fast

changeless, constant, determinate, established, set, settled, stable, steadfast, steady, unaltered, unchanging, unvarying

immovable, unmovable

Near Antonyms of hard-and-fast

adaptable, adjustable

fickle, fluctuating, inconstant, uncertain, unsettled, unstable, varying

plastic, pliable, pliant, supple, willowy

Antonyms of hard-and-fast

alterable, changeable, elastic, flexible, mutable, variable

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