Synonyms|713Antonyms|152|Broader|9Narrower|8Related|663
1
explainable
1
explicable
1
exposed
1
fathomable
1
leaky
1
lucid
1
negotiable
1
palpable
1
patent
1
pellucid
1
plain
1
simple
1
straightforward
1
visible
0
conspicuous
0
ablaze
0
absorbent
0
accessible
0
achievable
0
apprehensible
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APASmart Define. (2015). impenetrable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impenetrable/thesaurus/antonyms
ChicagoSmart Define. 2015. "impenetrable thesaurus" https://smartdefine.org/impenetrable/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, impenetrable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impenetrable/thesaurus/antonyms>.
MLASmart Define. "impenetrable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/impenetrable/thesaurus/antonyms>