Synonyms|119Antonyms|38|Broader|0Narrower|0Related|84

51 entries under strict topic. ×

1
rigid(hard, inflexible, obstinate, stubborn)
1
single-minded(adjective, set, hard, stiff, rigid)
1
staunch(adjective, set, hard, stiff, rigid)
1
steadfast(adjective, set, hard, stiff, rigid)
1
steely(adjective, set, hard, stiff, rigid)
1
stringent(adjective, set, hard, stiff, rigid)
1
unadaptable(adjective, set, hard, stiff, rigid)
1
unalterable
1
uncompliant(adjective, set, hard, stiff, rigid)
1
uncompromising(adjective, set, hard, stiff, rigid)
1
unswayable(adjective, set, hard, stiff, rigid)
1
written
0
adamant(hard, resolute, rigid, inflexible)
0
adamantine(hard, resolute, rigid, inflexible)
0
carved in stone
0
determined(hard, resolute, rigid, inflexible)
0
dictated
0
dyed-in-the-wool(hard, resolute, rigid, inflexible)
0
firm(hard, rigid, inflexible, obstinate)
0
immovable(hard, rigid, inflexible, obstinate)
For more, visit Hard-and-fast on Power Thesaurus
11 years ago|1k views|share |citing 
APASmart Define. (2015). hard-and-fast thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hard-and-fast/thesaurus/synonyms
ChicagoSmart Define. 2015. "hard-and-fast thesaurus" https://smartdefine.org/hard-and-fast/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hard-and-fast thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hard-and-fast/thesaurus/synonyms>.
MLASmart Define. "hard-and-fast thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/hard-and-fast/thesaurus/synonyms>