Synonyms|96Antonyms|0|Broader|0Narrower|0Related|0
2
arthritic(adjective, hard, firm, solid, stiff)
2
buckram(adjective, hard, firm, solid, stiff)
2
creaky(adjective, hard, firm, solid, stiff)
2
steely(adjective, hard, firm, solid, stiff)
2
unflexible(adjective, hard, firm, solid, stiff)
2
unsupple(adjective, hard, firm, solid, stiff)
1
annealed(adjective, hard, firm, solid, tense)
1
benumbed(adjective, hard, firm, solid, tense)
1
brittle(adjective, hard, firm, solid, tense)
1
cemented(adjective, hard, firm, solid, tense)
1
chilled(adjective, hard, firm, solid, tense)
1
congealed(adjective, hard, firm, solid, tense)
1
contracted(adjective, hard, firm, solid, tense)
1
firm(adjective, hard, solid, stiff, rigid)
1
fixed(adjective, hard, firm, solid, stiff)
1
frozen(adjective, hard, firm, solid, tense)
1
graceless(adjective, hard, firm, solid, tense)
1
hard(adjective, firm, solid, stiff, rigid)
1
hardened(adjective, hard, firm, solid, stiff)
1
immalleable(adjective, hard, firm, solid, stiff)
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APASmart Define. (2011). stiff as a board thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/stiff_as_a_board/thesaurus/synonyms
ChicagoSmart Define. 2011. "stiff as a board thesaurus" https://smartdefine.org/stiff_as_a_board/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2011, stiff as a board thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/stiff_as_a_board/thesaurus/synonyms>.
MLASmart Define. "stiff as a board thesaurus" 24 May 2011. Web. 20 September 2026. <https://smartdefine.org/stiff_as_a_board/thesaurus/synonyms>