1. not made known to the public; not advertised or promoted

Examples

• The company held an unpublicized meeting with investors.
• Many of the charity’s unpublicized donations helped local families.
• The actor made an unpublicized visit to the children’s hospital.
• The unpublicized policy change affected thousands of employees.
• She preferred to keep her volunteer work unpublicized.
• The unpublicized research findings were shared only with colleagues.