Synonyms for Impenetrable

Synonyms starting with letter C

• compact

  dense, impervious, property
• cryptic

  inscrutable, incomprehensible
• close

  dense
• closed

  waterproof, exclusive, state
• complex
• crowded
• condensed

  dense
• compressed

  dense
• complicated

  complex
• cloudy

  non-transparent
• confusing

  incomprehensible
• cabalistic

  incomprehensible
• convoluted
• compacted
• concealed
• crammed
• congested
• concrete
• concentrated
• close-knit
• confined
• cramped
• covert
• consolidated
• cropped
• callous
• closed to
• cheerless
• curious
• cabbalistic

  incomprehensible
• cimmerian
• close-packed
• confining
• circumscribed
• close-grained
• caked
• clabbered
• clotted
• coagulated
• congealed