14 entries under closure topic. ×

2
untrodden
1
impenetrable
1
impermeable
1
impervious
1
imporous
1
unpierced
0
caecal
0
closable
0
impassable
0
invious
0
pathless
0
unpassable
0
untrod
0
wayless
11 years ago|888 views|share |citing 
APASmart Define. (2015). imperforate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imperforate/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperforate thesaurus" https://smartdefine.org/imperforate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, imperforate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imperforate/thesaurus/synonyms>.
MLASmart Define. "imperforate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/imperforate/thesaurus/synonyms>