unreadable

/AH0 N R IY1 D AH0 B AH0 L/
adjective
  1. 1

    That cannot be read or is not easy to read.

    โ€œa machine that cut up secret documents into small unreadable fragmentsโ€

  2. 2

    Not sufficiently interesting to be worth reading.

    โ€œunreadable booksโ€

Source: https://en.wiktionary.org/wiki/unreadable