20 entries under unreceptive topic. ×

16
impenetrable(adjective, close, hard, tough, solid)
11
tight(adjective, close, solid, short, substantial)
5
imperviable(adjective, unaffected, unyielding, unbending, resistant)
3
inaccessible(unaffected, unyielding, unbending, resistant, impervious)
2
resistant(adjective, proof, unaffected, unyielding, unbending)
2
unpierceable(unaffected, unyielding, unbending, resistant)
1
impassive(adjective, unaffected, unyielding, unbending, resistant)
0
closed to(expression, unaffected, unyielding, unbending, resistant)
0
immune(unaffected, unyielding, unbending, resistant)
0
invulnerable(unaffected, unyielding, unbending, resistant)
0
obdurate(unyielding, unbending)
0
rigid(hard, solid, unyielding, unbending)
0
unaffected(unyielding, unbending, resistant)
0
unapproachable(unaffected, unyielding, unbending, resistant)
0
unbending
0
unfeeling(unyielding, unbending)
0
unmovable(unyielding, unbending)
0
unmoved(unaffected, unyielding, unbending, resistant)
0
unwavering(unyielding, unbending)
0
unyielding(hard, solid, rigid, unbending)
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APASmart Define. (2015). impermeable thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/impermeable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impermeable thesaurus" https://smartdefine.org/impermeable/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, impermeable thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/impermeable/thesaurus/synonyms>.
MLASmart Define. "impermeable thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/impermeable/thesaurus/synonyms>