198 entries under hard topic. ×

2
resolution(noun, active, intensity)
2
rock(adjective, substantial, sturdy, compact)
2
rubbery(adjective, tough, flexible, hardy)
2
strength(noun, active, intensity)
2
tangible(noun, adjective, plain, active)
2
thug(noun, active, intensity)
2
toughness(noun, active, intensity)
2
unrelenting(adjective, tough, cold, sturdy)
1
ascendant(noun, adjective, active, intensity)
1
booming(tough, fit, healthy, favorable)
1
brawn(noun, active, intensity)
1
brick wall(expression, adjective, calm, solid)
1
buoyant(adjective, tough, energetic, lively)
1
cast iron(noun, expression, idiom, active)
1
compacted(adjective, set, firm, substantial)
1
compressed(adjective, close, set, firm)
1
confinement(noun, active, intensity)
1
consolidated(adjective, set, firm, solid)
1
cruel(adjective, tough, severe, intense)
1
custody(noun, active, intensity)
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APASmart Define. (2016). strong thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/strong/thesaurus/synonyms
ChicagoSmart Define. 2016. "strong thesaurus" https://smartdefine.org/strong/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, strong thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strong/thesaurus/synonyms>.
MLASmart Define. "strong thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/strong/thesaurus/synonyms>