Definitions

1. verb

to remove or cancel a notice or announcement that was previously made, especially one that was posted on a slate.

“The school decided to unslate the event after the venue became unavailable.”

2. verb

to remove or cancel something previously written or recorded, especially on a slate.

“She unslated the names from the attendance list.”

3. noun

the act of removing or canceling a notice or announcement previously made, especially one that was posted on a slate.

“The unslating of the event caused confusion among the students.”