un ‧ read ‧ a ‧ ble /ʌnˈriːdəb ə l/ BrE AmE adjective
[ Word Family: noun : ↑ read , ↑ reader , ↑ readership , ↑ reading , ↑ readability ; verb : ↑ read ; adjective : ↑ readable ≠ ↑ unreadable ]
1 . if someone’s expression or face is unreadable, you cannot tell what they are thinking
2 . an unreadable book or piece of writing is difficult to read because it is boring or complicated
3 . unreadable writing is so untidy that you cannot read it SYN illegible