incomprehensible

/ˌɪnkɑmprəˈhɛnsəbəl/
adjective
  1. Impossible or extremely difficult to understand.
    • The professor's explanation was so full of jargon that it was incomprehensible to the beginners.
    • The toddler's speech was often incomprehensible, but his mother understood every word.
    • To someone who doesn't speak Japanese, the conversation was completely incomprehensible.
What does "incomprehensible" mean? | whatsthatwordmean | whatsthatwordmean