Synonyms|713Antonyms|152|Broader|9Narrower|8Related|663
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orderly
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organized
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overt
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penetrating
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penetrative
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perceptible
0
perforated
0
perspicacious
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perspicuous
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piercing
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pliable
0
profound
0
pure
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reachable
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readable
0
revealed
0
revealing
0
rudimentary
0
sagacious
0
sandy
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APASmart Define. (2015). impenetrable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impenetrable/thesaurus/antonyms
ChicagoSmart Define. 2015. "impenetrable thesaurus" https://smartdefine.org/impenetrable/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, impenetrable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impenetrable/thesaurus/antonyms>.
MLASmart Define. "impenetrable thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/impenetrable/thesaurus/antonyms>