illegible in a sentence

Definition

Illegible refers to writing or text that is difficult or impossible to read due to poor clarity or quality.

The doctor's handwriting was so illegible that the pharmacist had to call for clarification.
After hours of attempting to decipher the old manuscript, I concluded that much of it was illegible.
She scribbled her phone number on a napkin, but it ended up looking completely illegible.
The report was returned because several sections were marked as illegible, requiring a rewrite.
Even with a magnifying glass, the faded text remained largely illegible to the naked eye.