Definition of "blank" []

• Devoid of writing, images, or marks: a blank page; a blank screen. (adjective)
• Containing no information; unrecorded or erased: a blank tape; a blank diskette. (adjective)
• Not completed or filled in: a blank questionnaire. (adjective)
• Not having received final processing; unfinished: a blank key. (adjective)
• Lacking expression; expressionless: "Although his gestures were elaborate, his face was blank” ( Nathanael West). See Synonyms at empty. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Catherine kept her expression blank as Miss Almay shot her and Theresa a scathing look."
• "Instead she kept her expression blank and led Piper and Leo through the bar to a darkened hallway in the back."
• "For a quick psychic shield, simply lower your eyelids, put a vague smile on your face, and repeat the word blank in your mind or draw circles around your head with your dominant index finger to balance your thoughts and protect you."