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impenetrable (109 synonym found)
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Definition of impenetrable:
(adj) :
not penetrable
"the fortress is impenetrable, so it cannot be taken."
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This word has been
viewed 4,613 times.
Tweet
Related searches
for impenetrable:
Most Recent
- tsunami
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- ex-boyfriend
- thesaurasize
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Definition of impenetrable:
(adj) :
not penetrable
"the fortress is impenetrable, so it cannot be taken."