i Register
In some senses, shabby is marked as figuratively, archaic. Watch for register when choosing this word.
adj
Of clothing, a place, etc.: unkempt and worn or otherwise in poor condition due to age or neglect; scruffy.
They lived in a tiny apartment, with some old, shabby furniture.
[A]s there was a stream of people pouring into a shabby house not far from the entrance, he waited until they had made their way in, […]
Of a person: wearing ragged or very worn, and often dirty, clothing.
The fellow arrived looking rather shabby after journeying so far.
The ſame gentleman, vvhenever he vvanted credit for a ſuit of cloaths, alvvays made the propoſal in a laced coat; for he found by experience, that, if he appeared ſhabby on theſe occaſions, his taylor had taken an oath againſt truſting; […]
Of a person, their behaviour, etc.: despicable, mean; also, not generous; stingy, tight-fisted.
shabby treatment
It was voted a shabby excuse.
Poor in quality; also, showing little effort or talent.
His painting is not too shabby.
[M]y Lord Duke's entertainments were both ſeldom and ſhabby […]
Poor in quality; also, showing little effort or talent.
verb
To make (something) shabby (adjective adjective sense 1); to shabbify.
To become shabby; to shabbify.
You'll be one of those tough, square, solid middle-aged men, like a shabbying brown bear, your golden crew-cut greying judiciously at the temples.