Difference between Legible and Illegible

LEGIBLE vs ILLEGIBLE: ADJECTIVE

(of handwriting, print, etc.) capable of being read or deciphered
Being clear enough to be read, readable, particularly for handwriting.
Capable of being discovered or understood by apparent marks or indications.
Capable of being read or deciphered; distinct to the eye; plain; -- used of writing or printing.
Plainly discernible; apparent.
Possible to read or decipher.
(of handwriting, print, etc.) able to be read

Synonyms Readable, recognizable, plain, manifest.
Hence That may be discovered or discerned by marks or indications.
That may be read; written plainly or in intelligible characters: as, a legible manuscript.

Incapable of being read; obscure or defaced so as not to be decipherable; loosely, hard to read.

Plain, Unrecognizable, Transparent, Read, Viewable, Visible, Comprehensible, Intelligible, Unreadable, Illegible, Fair, Clean, Clear, Decipherable, Readable

Handwritten, Signed, Signatures, Signature, Ambiguous, Unrecognizable, Unintelligible, Legible, Marked up, Foul, Dirty, Unclear, Undecipherable, Indecipherable, Unreadable

Plain, Unrecognizable, Transparent, Read, Viewable, Visible, Comprehensible, Intelligible, Unreadable, Illegible, Fair, Clean, Clear, Decipherable, Readable

Unusable, Decipherable, Handwritten, Signed, Ambiguous, Unrecognizable, Unintelligible, Legible, Marked up, Foul, Dirty, Unclear, Undecipherable, Indecipherable, Unreadable

You should also be writing clean, legible code.
The label must be in color and legible.
It is easy on the eyes, very legible.
The remaining handwritten material was not entirely legible.
Such exhortation should be clearly legible or audible.
Screenshots are NOT acceptable, documents must be legible.
This is a legible and robust text face.
Proper books and records should be either in a legible form or in a nonlegible form capable of being reproduced in a legible form.
Sufficiently legible to the pennsylvania public, legible and boundaries and access.
Legible form of bridgeport marriage records processing requests for a legible.

Handwrittenforms will be returned if entries are illegible.
The instructions were oil soaked and nearly illegible.
Illegible or poorly formatted work receives no credit.
Writing on top of photo faded and illegible.
Applications with illegible handwriting will not be reviewed.
Saturday 21st November, notices (412 Kb) - Partly illegible.
Replace this label if damaged, illegible or removed.
Incomplete or illegible applications will not be processed.
It is not necessarily illegible; it just might seem illegible to the modern eye.
Illegible exam scripts If your examination script is considered illegible, the Illegible Examination Scripts Policy will be instigated.