Meanings of indecipherable handwriting in английском

A short note, scrawled on a torn scrap of paper in nearly indecipherable handwriting.

Inevitably, that meant her night-time jottings were either in indecipherable handwriting or, when examined in the cold light of morning, just tired rambling nonsense.

The sheets, yellowed and stained with age, were covered in a crabby, indecipherable handwriting, broken with sketches of gadgets or flowing water or geometric figures.