28 entries under stiff topic. ×

12
compressed(verb, adjective, set, strong, hard)
9
concentrated(verb, adjective, set, strong, hard)
7
compact(adjective, set, strong, hard, firm)
6
packed(verb, adjective, set, strong, hard)
6
solid(adjective, set, strong, hard, firm)
5
consolidated(verb, adjective, set, strong, hard)
4
dense(adjective, set, strong, hard, firm)
4
firm(adjective, set, strong, hard, solid)
3
thick(adjective, strong, hard, firm, solid)
2
hard(adjective, set, strong, firm, solid)
2
hardened(verb, adjective, set, strong, hard)
2
impenetrable(adjective, set, strong, hard, firm)
1
rocklike(adjective, strong, hard, firm, substantial)
1
set(verb, adjective, strong, hard, firm)
1
strong(adjective, set, hard, firm, substantial)
0
adamantine(adjective, set, strong, hard, firm)
0
callous(adjective, set, strong, hard, firm)
0
durable(adjective, firm, rigid)
0
indurate(adjective, set, strong, hard, firm)
0
indurated(adjective, set, strong, hard, firm)
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APASmart Define. (2015). compacted thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/compacted/thesaurus/synonyms
ChicagoSmart Define. 2015. "compacted thesaurus" https://smartdefine.org/compacted/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, compacted thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/compacted/thesaurus/synonyms>.
MLASmart Define. "compacted thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/compacted/thesaurus/synonyms>