Synonyms|777Antonyms|138|Broader|12Narrower|7Related|206

123 entries under sturdy topic. ×

1
unfluctuating(adjective, strong, secure, firm, solid)
1
uniform(adjective, set, firm, solid, stable)
1
unquestioning(adjective, firm, solid, intense, stable)
1
unsparing(adjective, strong, hard, tough)
0
abiding(adjective, firm, solid, stable, fixed)
0
allegiant(adjective, firm, solid, intense, stable)
0
astringent(adjective, strong, hard, tough)
0
bitter(adjective, strong, hard, tough)
0
brick-wall(adjective, firm, solid, stable, fixed)
0
by the book(expression, adjective, idiom, strong, hard)
0
dense(adjective, strong, hard, tough)
0
disciplinary(adjective, strong, hard, tough)
0
even(adjective, firm, solid, stable, fixed)
0
ferric(adjective, strong, hard, tough)
0
ferrous(adjective, strong, hard, tough)
0
forbidding(adjective, strong, hard, tough)
0
frowning(adjective, strong, hard, tough)
0
hang-tough(adjective, strong, hard, tough)
0
hard-shell(adjective, strong, hard, tough)
0
heavy(adjective, strong, hard, tough)
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APASmart Define. (2015). immovable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/immovable/thesaurus/synonyms
ChicagoSmart Define. 2015. "immovable thesaurus" https://smartdefine.org/immovable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, immovable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/immovable/thesaurus/synonyms>.
MLASmart Define. "immovable thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/immovable/thesaurus/synonyms>