0
blocked
0
impassable
0
impenetrable
0
impervious
0
impossible
0
impregnable
0
inaccessible
0
insurmountable
0
invincible
0
unassailable
0
unattainable
0
unconquerable
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APASmart Define. (2013). crossable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/crossable/thesaurus/antonyms
ChicagoSmart Define. 2013. "crossable thesaurus" https://smartdefine.org/crossable/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2013, crossable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/crossable/thesaurus/antonyms>.
MLASmart Define. "crossable thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/crossable/thesaurus/antonyms>