void

C1 · Advanced Countable noun Humorous · Informal · Slang

n. a funny way to describe a black cat because they look like a dark shape with eyes.

n. a humorous, internet-slang term for a black cat, referencing its visual similarity to a dark, featureless silhouette.

“I couldn't see my cat in the dark room until the little void opened his eyes.”

“The subreddit is dedicated entirely to photos of 'voids'—black cats that blend so perfectly into shadows that only their glowing eyes are visible.”

C1 · Advanced Countable noun Science Technical

n. a very large area in space that contains almost no stars or galaxies.

n. a vast region of space containing few or no galaxies, situated between filaments of the cosmic web.

“Astronomers are studying a massive void that seems to be empty of galaxies.”

“The Boötes void is one of the largest known celestial gaps, challenging current models of how the universe distributed matter after the Big Bang.”

B2 · Upper Intermediate Law Formal

adj. having no legal power; not official or binding.

adj. having no legal force or binding effect; null and incapable of being enforced.

“The contract became void because it was never signed by the manager.”

“The judge ruled the agreement null and void, citing the fact that one party had signed under significant duress.”

C1 · Advanced Literary

adj. completely without something, especially a good quality.

adj. entirely lacking or free from something; typically used with the preposition 'of'.

“The desert landscape was beautiful but void of any signs of water.”

“His face remained void of emotion even as the jury read the guilty verdict aloud to the silent courtroom.”

C1 · Advanced Computing Technical

adj. used in computer code to show that a function does not send back any data.

adj. denoting a function or method that does not return a value to its caller.

“The programmer defined the function as void because it only prints text to the screen.”

“In C++, the void keyword is used to specify that a function performs an action but does not return a result to the calling routine.”

C1 · Advanced Formal · Technical

v. to make something invalid or to empty out waste from the body.

v. to nullify a legal document; also used in medical contexts to mean the discharge of waste, such as urine.

“The bank had to void the check because the amount was written incorrectly.”

“The patient was asked to void into a sterile container so the laboratory could perform a full urinalysis.”