14 entries under closure topic. ×

10
untrodden(adjective, closed)
9
untrod(adjective, untrodden)
5
impassable(adjective, closed)
3
impervious
2
impenetrable
2
impermeable
1
imperforate
1
invious
1
wayless
0
caecal
0
closable
0
imporous
0
unpassable
0
unpierced
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APASmart Define. (2015). pathless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/pathless/thesaurus/synonyms
ChicagoSmart Define. 2015. "pathless thesaurus" https://smartdefine.org/pathless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, pathless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/pathless/thesaurus/synonyms>.
MLASmart Define. "pathless thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/pathless/thesaurus/synonyms>