a.
1.
Unemployed, unoccupied, unbusied, inactive.
2.
Indolent, lazy, slothful, sluggish, inert.
3.
Vacant, unused, leisure.
4.
Useless, ineffectual, bootless, fruitless, unavailing, vain, futile, abortive.
5.
Trifling, trivial, unimportant, trashy, foolish, unprofitable.