C2 noun /ɪˌledʒ.əˈbɪl.ə.ti/
Illegibility
illégibilité
Meaning
the quality of being impossible or difficult to read; unclear writing or print
Example
The doctor's handwriting was famous for its illegibility among the pharmacy staff.
L'écriture du médecin était célèbre pour son illisibilité parmi le personnel de la pharmacie.