oblivious

Adjective

• failing to keep in mind
  • forgetful of her responsibilities
    
  • oblivious old age
    

• (followed by `to' or `of') lacking conscious awareness of
  • oblivious of the mounting pressures for political reform
    
  • oblivious to the risks she ran
    
  • not unmindful of the heavy responsibility
    

Related words

• Synonyms: 
  forgetful , oblivious(p) , unmindful(p)