unreadable

They were heading home empty-handed when data from a previous day of exploration, which had originally been unreadable, was finally cleaned up.

On many of the notices, BBC Verify has found key details to be unreadable and drawn boundaries inconsistent with the text.

He was so angry that the first draft of “Southern Man” was “virtually unreadable.”

There’s nothing behind those eyes; better to hide them and have him appear inscrutable, unreadable.

The delicate quantum properties needed for sensing can be covered up by noise -- rapid interactions between the sensor and the environment that disrupt the information within the sensor, rendering the quantum signal unreadable.