207 entries under hard topic. ×

1
chilled(adjective, solid, stiff, rigid)
1
cold fish(expression, adjective, mean, stubborn)
1
creaky(adjective, solid, stiff, rigid)
1
cruel(adjective, strong, tough, severe)
1
disciplinary(adjective, strong, tough, severe)
1
dry(verb, adjective, close, set, fix)
1
dyed-in-the-wool(adjective, close, set, strong)
1
fierce(adjective, clear, tough, severe)
1
forbidding(adjective, strong, tough, severe)
1
graceless(adjective, solid, stiff, rigid)
1
hard-bitten
1
hard as nails(expression, adjective, idiom, set, strong)
1
hefty(adjective, strong, sound, tough)
1
high(deep, fat, broad, bulky)
1
hunk(adjective, strong, noble, substantial)
1
immalleable(adjective, solid, stiff, rigid)
1
insensible(adjective, strong, tough, sturdy)
1
mean(adjective, clear, tough, severe)
1
mechanical(adjective, solid, stiff, rigid)
1
narrow(adjective, close, rough, harsh)
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APASmart Define. (2016). firm thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/firm/thesaurus/synonyms
ChicagoSmart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, firm thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>.
MLASmart Define. "firm thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms>