Synonyms|27Antonyms|12|Broader|0Narrower|0Related|20
2
impassable
0
impenetrable
0
impervious
0
impossible
0
impregnable
0
inaccessible
0
insurmountable
0
invincible
0
unassailable
0
unattainable
0
unconquerable
0
unpassable
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APASmart Define. (2015). traversable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/traversable/thesaurus/antonyms
ChicagoSmart Define. 2015. "traversable thesaurus" https://smartdefine.org/traversable/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, traversable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/traversable/thesaurus/antonyms>.
MLASmart Define. "traversable thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/traversable/thesaurus/antonyms>