Illegible

A terrible, almost illegible scrawl.

The last two lines of the document are mostly illegible.

Your handwriting is practically illegible.

Your writing is very illegible.

Tom's signature is illegible.

Your handwriting is illegible.

Tom's handwriting is almost illegible.

The handwritten text is illegible.

The name of the addressee on the stamped envelope was illegible.

This manuscript is illegible.