43 entries under hard-and-fast topic. ×

3
inflexible
2
unbending(inflexible, intent)
2
unchangeable(inflexible, intent)
1
certain(definite, sure, inflexible, intent)
1
definite(adjective, certain, sure, inflexible, intent)
0
abiding(inflexible, intent)
0
agreed(inflexible, intent)
0
arranged(inflexible, intent)
0
changeless(inflexible, intent)
0
circumscribed(inflexible, intent)
0
confirmed(certain, definite, sure, inflexible, intent)
0
decided(inflexible, intent)
0
defined(inflexible, intent)
0
definitive(inflexible, intent)
0
determinate(inflexible, intent)
0
enduring(inflexible, intent)
0
fixed(inflexible, intent)
0
inalterable(inflexible, intent)
0
intent
0
inveterate(inflexible, intent)
<123>
11 years ago|1.5k views|share |citing 
APASmart Define. (2015). cast-iron thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/cast-iron/thesaurus/synonyms
ChicagoSmart Define. 2015. "cast-iron thesaurus" https://smartdefine.org/cast-iron/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, cast-iron thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/cast-iron/thesaurus/synonyms>.
MLASmart Define. "cast-iron thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/cast-iron/thesaurus/synonyms>