dulled adj 1: 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" [syn: {benumbed}] 2: made dull or blunt [syn: {blunted}] 3: deprived of color; "colors dulled by too much sun"; "grayed with the dust of the road" [syn: {grayed}]