112 entries under firm topic. ×

0
adherent(true, fixed, constant, steadfast)
0
allegiant(adjective, solid, stable, fixed)
0
attached(true, fixed, constant, steadfast)
0
callous(adjective, stiff, rigid)
0
certain(adjective, solid, stable, fixed)
0
close(true, fixed, constant, steadfast)
0
compact(adjective, stiff, rigid)
0
compacted(adjective, stiff, rigid)
0
compressed(adjective, stiff, rigid)
0
concentrated(adjective, stiff, rigid)
0
consolidated(adjective, stiff, rigid)
0
constrained(true, fixed, constant, steadfast)
0
cool(adjective, solid, stable, fixed)
0
fortified(true, fixed, constant, steadfast)
0
glued(true, fixed, constant, steadfast)
0
hardened(adjective, strong, hard, solid)
0
held(true, fixed, constant, steadfast)
0
impenetrable(adjective, stiff, rigid)
0
imperturbable(adjective, solid, stable, fixed)
0
indurate(adjective, stiff, rigid)
11 years ago|28k views|share |citing 
APASmart Define. (2015). durable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/durable/thesaurus/synonyms
ChicagoSmart Define. 2015. "durable thesaurus" https://smartdefine.org/durable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, durable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/durable/thesaurus/synonyms>.
MLASmart Define. "durable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/durable/thesaurus/synonyms>