What does "underreporting" mean?

The act, or the result of insufficiently reporting.

What is a synonym for "underreporting"?

Common synonyms include: understatements.

noun, verb

noun, verb ·5 syllables ·Rare ·Advanced level

Noun

1
The act, or the result of insufficiently reporting.
"He says that there is still a significant amount of underreporting of mental health problems, among trackside workers in particular."

Verb

1
present participle and gerund of underreport form-of, gerund, participle, present

"He says that there is still a significant amount of underreporting of mental health problems, among trackside workers in particular."