1. not listened to or paid attention to; ignored

Examples

• Her warnings about the storm went unheeded by the sailors.
• The teacher’s advice remained unheeded by most students.
• His pleas for help were unheeded by the busy crowd.
• The safety regulations went unheeded until the accident occurred.
• The doctor’s recommendations were unheeded by the stubborn patient.
• Their concerns about the project were left unheeded by management.