1
rockbound
1
set(adjective, hard, firm, solid, stiff)
1
solid(adjective, hard, firm, stiff, tense)
1
solidified(adjective, hard, firm, solid, stiff)
1
starched(adjective, hard, firm, solid, stiff)
1
starchy(adjective, hard, firm, solid, stiff)
1
stark(adjective, hard, firm, solid, stiff)
1
stern
1
stiff as a board(expression, adjective, idiom, hard, firm)
1
stony(adjective, hard, firm, solid, stiff)
1
straightlaced
1
straitlaced
1
taut(adjective, hard, firm, solid, stiff)
1
tense(adjective, hard, firm, solid, stiff)
1
thick(adjective, hard, firm, solid, stiff)
1
thickened(adjective, hard, firm, solid, stiff)
1
tight(adjective, hard, firm, solid, stiff)
1
unaffected
1
unalterable
1
unchangeable
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APASmart Define. (2015). impliable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/impliable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impliable thesaurus" https://smartdefine.org/impliable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, impliable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/impliable/thesaurus/synonyms>.
MLASmart Define. "impliable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/impliable/thesaurus/synonyms>