1cover something up, cover up somethingPut something on top of or in front of something in order to protect or conceal it.
put something on top of, place something over, place under cover
- ‘her husband had covered up his bald patch’
- 1.1Put on more clothes.
- ‘they urged people to cover up, as frostbite can develop within minutes’
2cover something up, cover up somethingTry to hide the fact of illegal or illicit activity.
- ‘the prime minister was accused of trying to cover up the scandal’
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