Definitions:

1. Having noticed or heard something but disregarding it. ADJECTIVE
   • He'd bellowed his final entreaties to his unheeding players.
2. Ignoring or not listening to something. ADJECTIVE
   • Her calls for justice went largely unheeded for many years.
3. Not paying attention. ADJECTIVE
   • Mary, unheeding, watched the television.

Synonyms:

• heedless
• inattentive
• oblivious
• unaware
• unconscious
• unknowing
• unmindful
• unthinking