Synonyms|230Antonyms|32|Broader|3Narrower|0Related|172

14 entries under unaffected topic. ×

16
impenetrable(adjective, close, hard, tough, solid)
11
tight(adjective, close, solid, short, substantial)
7
impassable(adjective, solid, dense, unyielding)
5
imperviable(adjective, unyielding, unbending, resistant)
3
inaccessible(unyielding, unbending, resistant, impervious)
2
resistant(adjective, proof, unyielding, unbending)
2
unpierceable(unyielding, unbending, resistant, unreceptive)
1
impassive(adjective, unyielding, unbending, resistant)
0
closed to(expression, unyielding, unbending, resistant)
0
immune(unyielding, unbending, resistant, unreceptive)
0
invulnerable(unyielding, unbending, resistant, unreceptive)
0
unapproachable(unyielding, unbending, resistant, unreceptive)
0
unmoved(unyielding, unbending, resistant, unreceptive)
0
unreceptive(unyielding, unbending, resistant)
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APASmart Define. (2015). impermeable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/impermeable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impermeable thesaurus" https://smartdefine.org/impermeable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, impermeable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/impermeable/thesaurus/synonyms>.
MLASmart Define. "impermeable thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/impermeable/thesaurus/synonyms>