1. an attempt to hide a mistake, crime, or other wrongdoing
2. a loose garment worn over swimwear or other clothing

Examples

• The scandal involved a massive government coverup.
• Journalists worked to expose the corporate coverup.
• She packed a light coverup for the beach trip.
• The investigation revealed evidence of a coverup.
• He wore a cotton coverup over his swim trunks.
• The coverup lasted for several years before the truth emerged.
• She bought a colorful coverup at the resort shop.