116 entries under strong topic. ×

1
decisive(good, solid, steady, consistent)
1
deep-rooted(calm, solid, steady, substantial)
1
definite(adjective, good, clear, firm)
1
determined(good, clear, solid, steady)
1
durable(adjective, calm, secure, firm)
1
enduring(adjective, calm, secure, firm)
1
equable(adjective, calm, secure, firm)
1
even(adjective, calm, secure, firm)
1
fast(adjective, calm, secure, firm)
1
fixed(adjective, clear, hard, sound)
1
fixed resistant(expression, calm, solid, substantial)
1
immutable(calm, solid, steady, substantial)
1
incorrupt(good, solid, steady, consistent)
1
invariable(calm, solid, steady, substantial)
1
lasting(calm, solid, steady, substantial)
1
loyal(adjective, good, firm, honest)
1
nailed(adjective, calm, secure, firm)
1
perdurable(calm, solid, steady, substantial)
1
permanent(calm, solid, steady, substantial)
1
poised(adjective, calm, secure, firm)
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APASmart Define. (2016). safe thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/safe/thesaurus/synonyms
ChicagoSmart Define. 2016. "safe thesaurus" https://smartdefine.org/safe/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, safe thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/safe/thesaurus/synonyms>.
MLASmart Define. "safe thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/safe/thesaurus/synonyms>