dulled

Adjective

• deprived of color
  • colors dulled by too much sun
    
  • greyed with the dust of the road
    

• made dull or blunt

• having lost or been caused to lose interest because of overexposure
  • the mind of the audience is becoming dulled
    
  • the benumbed intellectual faculties can no longer respond
    

Related words

• Synonyms: 
  greyed , blunted , benumbed