invisible (as it related to being ignored)

3. ADJ

If you say that you feel invisible, you are complaining that you are being ignored by other people. If you say that a particular problem or situation is invisible, you are complaining that it is not being considered or dealt with.     

• The problems of the poor are largely invisible. 
  
  
• invisibility N-UNCOUNT: 
  
  the invisibility of women's concerns in society.

.... Cobuild