1. to report (something) as being less than it actually is

Examples

• The company was accused of underreporting its profits to avoid taxes.
• Many crimes go underreported in certain neighborhoods.
• The survey may underreport the actual number of homeless individuals.
• Officials suspect that hospitals underreport medical errors.
• The study found that people tend to underreport their alcohol consumption.
• Environmental groups claim the government underreports pollution levels.