x

An informal symbol representing a kiss, often used at the end of messages.

"Lots of love, Mum, X."

The twenty-fourth letter of the English alphabet.

"Write a capital X on the form."

A cross mark used to indicate a choice, error, or unknown quantity.

"Put an X next to your preferred option."

To mark something with a cross, often to indicate deletion or selection.

"Please X out any incorrect details."