a.
1.
Useless, valueless, nugatory, unserviceable, futile, miserable, poor, wretched, of no account or value, good-for-nothing, of no use.
2.
Base, vile, unworthy, ignoble, abject, depraved, profligate, abandoned, graceless, good-for-nothing.
3.
Refuse, waste.
4.
Tinsel, showy, glittering, gaudy, superficial, trashy, trumpery, flimsy.
5.
Trifling, trivial, paltry, frivolous, slight, piddling, of no moment, of small importance.