What does "illegibility" mean?

The characteristic or quality of being illegible; the quality of being difficult or impossible to read.

Illegibility

Common synonyms include: ambiguity, incomprehensibility, scrawl, scribble, unreadability, writing error.

noun

noun ·Rare ·Advanced level

Noun

1
The characteristic or quality of being illegible; the quality of being difficult or impossible to read. countable, uncountable
"The illegibility of his handwriting made it unclear which answer he wrote."
2
the quality of writing (print or handwriting) that cannot be deciphered wordnet

"The illegibility of his handwriting made it unclear which answer he wrote."