14 entries under resistant topic. ×

6
rainproof(adjective, impervious, waterproof)
2
impenetrable(adjective, fast, short, unaffected, unyielding)
1
impassable(unaffected, unyielding, unbending, impervious)
1
invulnerable(unaffected, unyielding, unbending, unreceptive)
0
closed to(expression, unaffected, unyielding, unbending)
0
immune(unaffected, unyielding, unbending, unreceptive)
0
impassive(unaffected, unyielding, unbending, unreceptive)
0
imperviable(unaffected, unyielding, unbending, unreceptive)
0
inaccessible(unaffected, unyielding, unbending, unreceptive)
0
unaffected(unyielding, unbending, unreceptive)
0
unapproachable(unaffected, unyielding, unbending, unreceptive)
0
unmoved(unaffected, unyielding, unbending, unreceptive)
0
unpierceable(unaffected, unyielding, unbending, unreceptive)
0
unreceptive(unaffected, unyielding, unbending)
11 years ago|4.7k views|share |citing 
APASmart Define. (2015). watertight thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/watertight/thesaurus/synonyms
ChicagoSmart Define. 2015. "watertight thesaurus" https://smartdefine.org/watertight/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, watertight thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/watertight/thesaurus/synonyms>.
MLASmart Define. "watertight thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/watertight/thesaurus/synonyms>