167 entries under sturdy topic. ×

1
hunk(adjective, hard, noble, compact)
1
inexorable(adjective, hard, tough, severe)
1
massed(adjective, close, hard, substantial)
1
material(adjective, hard, solid, big, important)
1
mulish(adjective, hard, tough, firm, determined)
1
muscled(adjective, vigorous, healthy, well)
1
perdurable(calm, tough, solid, steady, substantial)
1
physical(adjective, hard, fit, substantial)
1
relentless(adjective, hard, tough, severe, firm)
1
rocklike(adjective, hard, firm, substantial, stiff)
1
rooted(adjective, hard, secure, solid, steady)
1
steel(adjective, hard, tough, rigid)
1
steeled(adjective, set, hard, firm, solid)
0
tough inflexible(expression, hard, tough, rigid)
0
astringent(adjective, hard, tough, severe, sharp)
0
by the book(expression, adjective, idiom, hard, tough)
0
coarse(adjective, stout)
0
conditioned(adjective, hard, solid, stiff)
0
crude(adjective, stout)
0
dimensional(adjective, hard, substantial, compact)
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APASmart Define. (2016). strong thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/strong/thesaurus/synonyms
ChicagoSmart Define. 2016. "strong thesaurus" https://smartdefine.org/strong/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, strong thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/strong/thesaurus/synonyms>.
MLASmart Define. "strong thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/strong/thesaurus/synonyms>