75 entries under firm topic. ×

1
rooted(adjective, determined, usual, regular)
1
scheduled(adjective, determined, usual, regular)
1
settled(adjective, determined, usual, regular)
1
solid as a rock(expression, adjective, idiom, determined)
1
specified(adjective, determined, usual, regular)
1
stated(adjective, determined, usual, regular)
1
staunch(determined, resolute, obstinate, stubborn)
1
stipulated(adjective, determined, usual, regular)
1
unflappable(adjective, set, determined, usual)
1
unreasonable(tough, grim, inflexible, obstinate)
1
unshakable(adjective, mean, hard, tough)
1
untoward(tough, unreasonable, grim, inflexible)
1
usual(adjective, determined, regular, planned)
1
well-set(adjective, determined, usual, regular)
0
unswayable(determined, resolute, obstinate, stubborn)
11 years ago|5.2k views|share |citing 
APASmart Define. (2015). pigheaded thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/pigheaded/thesaurus/synonyms
ChicagoSmart Define. 2015. "pigheaded thesaurus" https://smartdefine.org/pigheaded/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, pigheaded thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/pigheaded/thesaurus/synonyms>.
MLASmart Define. "pigheaded thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/pigheaded/thesaurus/synonyms>