impaired by wear, use, etc.; worn: shabby clothes.
showing conspicuous signs of wear or neglect: The rooms on the upper floors of the mansion had a rather shabby appearance, as if they had not been much in use of late.
wearing worn clothes or having a slovenly or unkempt appearance: a shabby person.
run-down, seedy, or dilapidated: a shabby hotel.
meanly ungenerous or unfair; contemptible, as persons, actions, etc.: shabby behavior.
inferior; not up to par in quality, performance, etc.: a shabby rendition of the sonata.