cover-up
Americannoun
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any action, stratagem, or other means of concealing or preventing investigation or exposure.
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Also coverup any of various women's garments, as loose blouses, jump suits, caftans, or sarongs, worn over a swimsuit, exercise clothing, or the like.
noun
verb
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(tr) to cover completely
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to attempt to conceal (a mistake or crime)
she tried to cover up for her friend
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(intr) boxing to defend the body and head with the arms
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Wrap up or enfold in order to protect. For example, Be sure to cover up the outdoor furniture in case of rain , or It's cold, so be sure to cover up the baby . [Late 1800s]
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Conceal something, especially a crime, as in The opposition accused the President of covering up his assistant's suicide . [c. 1920]
Etymology
Origin of cover-up
First recorded in 1925–30; noun use of verb phrase cover up
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Human rights activists and relatives of the missing quickly denounced the report as a cover-up — the latest attempt to “disappear the disappeared.”
From Los Angeles Times • Apr. 6, 2026
This fuelled claims of a cover-up, which authorities have denied.
From BBC • Apr. 1, 2026
“It’s incredibly serious, points to a possible cover-up and is something that is just developing,” he said.
From Salon • Feb. 24, 2026
Attorney Mark Geragos, who represented Tipping’s father, accused the department of a cover-up by failing to turn over key evidence, such as a training baton used during the scenario.
From Los Angeles Times • Feb. 19, 2026
Excuses, alibis, and wild cover-up stories chased each other around Harry’s brain, each more feeble than the last.
From "Harry Potter and the Sorcerer's Stone" by J.K. Rowling
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.