Synonyms|125Antonyms|6|Broader|0Narrower|0Related|139

30 entries under hard topic. ×

1
solidified(adjective, tough, solid, rigid)
1
stiff(adjective, tough, solid, rigid)
1
sturdy(adjective, tough, solid, rigid)
1
substantial(adjective, close, set, tough)
1
thick(adjective, close, solid, short)
1
unyielding(adjective, tough, solid, rigid)
0
heavy(adjective, tough, solid, rigid)
0
inflexible(adjective, tough, solid, rigid)
0
rigid(adjective, tough, solid, inflexible)
0
tough(adjective, solid, rigid, inflexible)
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APASmart Define. (2013). close-grained thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/close-grained/thesaurus/synonyms
ChicagoSmart Define. 2013. "close-grained thesaurus" https://smartdefine.org/close-grained/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2013, close-grained thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/close-grained/thesaurus/synonyms>.
MLASmart Define. "close-grained thesaurus" 28 June 2013. Web. 24 September 2026. <https://smartdefine.org/close-grained/thesaurus/synonyms>