156 entries under strong topic. ×

2
never-failing(adjective, set, clear, flat)
2
petrified(adjective, calm, quiet, hard)
2
reliable(adjective, clear, sound, tough)
2
stark(adjective, hard, sound, tough)
2
stated(noun, adjective, flat, firm)
2
stipulated(adjective, flat, firm, certain)
2
substantial(adjective, hard, sound, tough)
2
taut(adjective, hard, secure, rough)
2
thickened(adjective, set, firm, solid)
2
total(adjective, complete, firm, perfect)
2
unfluctuating(adjective, dull, secure, firm)
2
unshaken(adjective, clear, flat, firm)
1
able(adjective, set, sound, tough)
1
able-bodied(adjective, sound, tough, solid)
1
active(adjective, sound, tough, solid)
1
athletic(adjective, sound, tough, solid)
1
big(adjective, sound, tough, solid)
1
bolted(secure, fast, short, stable)
1
brick wall(expression, adjective, hard, substantial)
1
buttoned down(expression, adjective, solid, stable)
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APASmart Define. (2016). fixed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fixed/thesaurus/synonyms
ChicagoSmart Define. 2016. "fixed thesaurus" https://smartdefine.org/fixed/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, fixed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fixed/thesaurus/synonyms>.
MLASmart Define. "fixed thesaurus" 16 March 2016. Web. 23 September 2026. <https://smartdefine.org/fixed/thesaurus/synonyms>