impenetrable synonyms - English related words for impenetrable

1. 2

   Meaning: illegible

   impenetrable unreadable unclear

   obscure unintelligible undecipherable
2. 3

   Meaning: unexplainable

   incomprehensible inexplicable mysterious strange

   unintelligible impenetrable inscrutable unaccountable
3. 4

   Meaning: state

   closed sealed impermeable

   impenetrable airtight tight
4. 5

   Meaning: property

   solid compact firm resistant

   impenetrable secure impregnable strong

1. 6

   Meaning: characteristic

   impervious firm impenetrable

   invulnerable steadfast proof
2. 7

   Meaning: impervious

   firm impenetrable proof steadfast invulnerable
3. 8

   Meaning: unfathomable

   inexplicable obscure incomprehensible inscrutable

   inviolable unintelligible impenetrable
4. 9

   Meaning: dense

   hard close condensed solid

   compressed tight impenetrable compact
5. 10

   Meaning: non-transparent

   obscure cloudy impenetrable dark

   filmy murky blurred opaque

impenetrable synonyms - English related words for impenetrable