Definitions:
(of a surface or background) unrelieved by decorative or other features; bare, empty, or plain

showing a lack of comprehension or reaction

complete; absolute (used emphatically with negative force)

used euphemistically in place of an adjective regarded as obscene, profane, or abusive

a space left to be filled in a document

a cartridge containing gunpowder but no bullet, used for training or as a signal.

an empty space or period of time, especially in terms of a lack of knowledge or understanding

a piece of metal or wood intended for further shaping or finishing.

a dash written instead of a word or letter, especially instead of an obscenity or profanity.

make (something) blank or empty

defeat (a sports team) without allowing them to score

deliberately ignore (someone)