Definitions

1. noun

A symbol (*) used in printing, mathematics, and computing to represent a missing or unknown value, or to indicate that a value is not applicable.

“The math problem had an asterisk next to the missing number, indicating that it was not provided.”

2. verb

To mark or distinguish something with an asterisk, especially to indicate that it is not applicable or is of no importance.

“The editor asterisked the irrelevant data in the report to draw attention to it.”