noun (common) (futsuumeishi)noun or participle which takes the aux. verb suru slang jocular, humorous term looking bad (of a photo)

Ichidan verbintransitive verb to lose strength;to become weak;to disappear (of energy, drive, etc.)

Ichidan verbintransitive verb to wither;to droop;to wilt

Ichidan verbintransitive verb colloquial to feel demotivated;to lose interest;to become disappointed