65 entries under hard topic. ×

36
tight(adjective, close, strong, secure)
26
stiff(adjective, close, rough, firm)
19
firm(noun, adjective, strong, secure)
13
rigid(adjective, firm, solid, stiff)
6
unyielding(adjective, rough, firm, harsh)
3
inflexible(adjective, rough, firm, harsh)
2
fixed(adjective, strong, secure, rough)
2
set(adjective, strong, firm, solid)
2
solid(adjective, strong, firm, substantial)
2
starched(adjective, firm, solid, stiff)
2
starchy(adjective, firm, solid, stiff)
2
unbending(adjective, rough, firm, harsh)
1
annealed(adjective, firm, solid, stiff)
1
arbitrary(adjective, severe, rough, harsh)
1
arthritic(adjective, firm, solid, stiff)
1
benumbed(adjective, firm, solid, stiff)
1
brittle(adjective, firm, solid, stiff)
1
buckram(adjective, firm, solid, stiff)
1
cemented(adjective, strong, secure, firm)
1
chilled(adjective, firm, solid, stiff)
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APASmart Define. (2016). taut thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/taut/thesaurus/synonyms
ChicagoSmart Define. 2016. "taut thesaurus" https://smartdefine.org/taut/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, taut thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/taut/thesaurus/synonyms>.
MLASmart Define. "taut thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/taut/thesaurus/synonyms>