91 entries under solid topic. ×

1
stalwart(calm, strong, steady, substantial)
1
staunch(adjective, calm, strong, secure, flat)
1
staying put(expression, calm, strong, substantial)
1
stout(calm, strong, tough, substantial)
1
sturdy(adjective, calm, strong, secure, tough)
1
substantial(adjective, calm, strong, secure, tough)
1
together(adjective, calm, strong, secure, firm)
1
undeviating(adjective, strong, flat, firm)
1
unflappable(adjective, set, firm, steady)
1
unfluctuating(adjective, calm, strong, secure, firm)
1
uniform(adjective, calm, strong, secure, firm)
1
well-built(calm, strong, steady, substantial)
1
well-founded(calm, strong, steady, substantial)
0
allegiant(adjective, firm, stable, fixed)
0
cool(adjective, firm, stable, fixed)
0
immovable(adjective, firm, stable, fixed)
0
imperturbable(adjective, firm, stable, fixed)
0
levelheaded(adjective, firm, stable, fixed)
0
liege(adjective, firm, stable, fixed)
0
loyal(adjective, firm, certain, stable)
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APASmart Define. (2015). abiding thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/abiding/thesaurus/synonyms
ChicagoSmart Define. 2015. "abiding thesaurus" https://smartdefine.org/abiding/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, abiding thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/abiding/thesaurus/synonyms>.
MLASmart Define. "abiding thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/abiding/thesaurus/synonyms>