Mean; paltry; despicable; as, shabby treatment.

mean and unworthy and despicable; "shabby treatment"

Torn or worn to rage; poor; mean; ragged.

Clothed with ragged, much worn, or soiled garments.

adj. faded, worn, ragged, in poor condition.

showing signs of wear and tear; "a ratty old overcoat"; "shabby furniture"; "an old house with dirty windows and tatty curtains"