Hard-and-fast and Mutable
Opposite meaning words
Hard-and-fast
Hard-and-fast adjective - Having been established and usually not subject to change.
Usage example: hard-and-fast rules that governed the corporate environment in those days included strictures regarding office dress that were rigidly enforced
Mutable is an antonym for hard-and-fast.
Mutable
Mutable adjective - Likely to change frequently, suddenly, or unexpectedly.
Hard-and-fast is an antonym for mutable.
Cite this Source
Mutable and Hard-and-fast. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/hard-and-fast/mutable
Hard-and-fast & Mutable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/hard-and-fast/mutable>.
Mutable or Hard-and-fast. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/hard-and-fast/mutable.
