
1) Dirty 2) Foul 3) Impossible to read 4) Incomprehensible 5) Indecipherable 6) Marked-up 7) Not easily read 8) Not legible 9) Not well-written 10) Scrawled 11) Scribbled 12) Unclear 13) Undecipherable 14) Unreadable 15) Untidy
Found on
https://www.crosswordclues.com/clue/illegible

1) Indecipherable 2) Undecipherable 3) Unreadable
Found on
https://www.crosswordclues.com/clue/illegible

• (a.) Incapable of being read; not legible; as, illegible handwriting; an illegible inscription.
Found on
http://thinkexist.com/dictionary/meaning/illegible/
Il·leg'i·ble adjective Incapable of being read; not legible; as,
illegible handwriting; an
illegible inscription. --
Il*leg'i*ble*ness ,
noun --
Il*leg'i*bly ,
adverb Found on
http://www.encyclo.co.uk/webster/I/8

[
adj] - (of handwriting, print, etc.) not legible
Found on
http://www.webdictionary.co.uk/definition.php?query=illegible

illegible Impossible or very difficult to read.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1160/2
adjective (of handwriting, print, etc.) not legible; `illegible handwriting`
Found on
https://www.encyclo.co.uk/local/20974

not legible; impossible or hard to read or decipher because of poor handwriting, faded print, etc.: This letter is completely illegible.
Found on
https://www.infoplease.com/dictionary/illegible
No exact match found.