adjective
Definition: Describing something that is empty, has no information, or shows no expression.
Example: She looked at me with a blank expression after hearing the news.
intransitive verb
Definition: To become unable to think clearly or remember something, often resulting in a temporary loss of thought.
Example: During the exam, I blanked and couldn't remember any of the answers.
noun
Definition: An empty space or area that is meant to be filled in, often found on forms or documents.
Example: Please fill in the blank on the application form with your name.
transitive verb
Definition: To make something empty or to remove all content from it, often by covering or blocking it.
Example: The artist decided to blank the canvas before starting a new painting.