loss of pleasure

• anhedoniaInability to feel enjoyment
• joylessWithout pleasure or gladness
• numbLacking physical sensation
• emptinessAbsence of substance
• depressionProlonged low state

flatness · hollow · apathy · disinterest · gray · meaningless · blunted · withdrawn · listless · melancholy · despondent · indifferent · unmoved · blank · colorless · detached · muted · dull