1.
slight; minor; insignificant; trivial
Describes something that is small in degree, scale, or severity. Used for damage, injuries, violations, or defects that are not serious.
Usage
A formal adjective used primarily in news reports, official documents, and technical writing. Typically modifies nouns describing damage, injuries, defects, or violations. Not used in everyday casual conversation — 軽い is the everyday equivalent.
Note: This word is a homophone of 警備 (security, guarding) but has a completely different meaning.