The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- An effort or strategy of concealment, especially a planned effort to prevent something potentially scandalous from becoming public.
- A loose garment for wear over other clothing, such as a swimsuit or an evening dress.
cover-up - Phrases/Idioms
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]
Conceal something, especially a crime, as in The opposition accused the President of covering up his assistant's suicide. [c. 1920]