Synonyms|116Antonyms|53|Broader|4Narrower|1Related|173

60 entries under noun topic. ×

1
body(mass, bulk, density, thickness)
1
compactness(mass, protection, security, rigidity)
1
complication
1
concretion(mass, bulk, density, thickness)
1
denseness(mass, bulk, density, thickness)
1
dimness
1
durability(protection, security, rigidity, hardness)
1
fixedness(protection, security, rigidity, hardness)
1
frequency(mass, bulk, density, thickness)
1
heaviness(mass, bulk, density, thickness)
1
impliability(protection, security, rigidity, hardness)
1
inelasticity(protection, security, rigidity, hardness)
1
inflexibility(protection, security, rigidity, hardness)
1
murkiness
1
mysteriousness
1
opaqueness
1
quantity(mass, bulk, density, thickness)
1
rigidity(protection, security, hardness, density)
1
substantiality(mass, bulk, density, thickness)
1
temper(protection, security, rigidity, hardness)
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APASmart Define. (2015). impenetrability thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/impenetrability/thesaurus/synonyms
ChicagoSmart Define. 2015. "impenetrability thesaurus" https://smartdefine.org/impenetrability/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, impenetrability thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/impenetrability/thesaurus/synonyms>.
MLASmart Define. "impenetrability thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/impenetrability/thesaurus/synonyms>