30 entries under hard topic. ×

4
fine-grained(adjective, tough, solid, rigid)
2
close(adjective, set, tough, solid)
2
firm(adjective, close, solid, short)
1
compact(adjective, close, set, tough)
1
compressed(adjective, set, tough, firm)
1
concentrated(adjective, set, tough, firm)
1
concrete(adjective, tough, solid, rigid)
1
condensed(adjective, tough, solid, rigid)
1
congealed(adjective, tough, solid, rigid)
1
dense(adjective, set, tough, firm)
1
hardened(adjective, tough, solid, rigid)
1
impenetrable(adjective, close, set, tough)
1
impermeable(adjective, close, set, tough)
1
impervious(adjective, tough, solid, rigid)
1
inelastic(adjective, tough, solid, rigid)
1
jelled(adjective, tough, solid, rigid)
1
nonporous(adjective, tough, solid, rigid)
1
refractory(adjective, tough, solid, rigid)
1
set(adjective, tough, solid, rigid)
1
solid(adjective, close, set, tough)
<12>
13 years ago|1.1k views|share |citing 
APASmart Define. (2013). close-grained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/close-grained/thesaurus/synonyms
ChicagoSmart Define. 2013. "close-grained thesaurus" https://smartdefine.org/close-grained/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, close-grained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/close-grained/thesaurus/synonyms>.
MLASmart Define. "close-grained thesaurus" 28 June 2013. Web. 22 September 2026. <https://smartdefine.org/close-grained/thesaurus/synonyms>