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

80 entries under rigid topic. ×

1
regular(adjective, set, firm, solid, determined)
1
situated(secure, firm, solid, stiff)
1
stringent(adjective, hard, inflexible, strict)
1
tense
1
tough nut to crack(expression, adjective, idiom, mean, hard)
1
uniform(adjective, set, firm, solid, stable)
1
unimpressible(adjective, mean, hard, tough, harsh)
0
dense(adjective, strong, hard, tough, sturdy)
0
ferric(adjective, strong, hard, tough, sturdy)
0
ferrous(adjective, strong, hard, tough, sturdy)
0
hard-and-fast(hard, inflexible, strict, obstinate)
0
hardboiled(adjective, firm, iron, unmodifiable)
0
heavy(adjective, strong, hard, tough, sturdy)
0
hitched(secure, inflexible, stubborn, static)
0
hooked(secure, inflexible, stubborn, static)
0
insensible(adjective, strong, hard, tough, sturdy)
0
made fast(expression, secure, inflexible, stubborn)
0
steel(adjective, strong, hard, tough, sturdy)
0
thick(adjective, strong, hard, tough, sturdy)
0
tough inflexible(expression, strong, hard, tough, sturdy)
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APASmart Define. (2015). immovable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/immovable/thesaurus/synonyms
ChicagoSmart Define. 2015. "immovable thesaurus" https://smartdefine.org/immovable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, immovable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/immovable/thesaurus/synonyms>.
MLASmart Define. "immovable thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/immovable/thesaurus/synonyms>