Useless
Futile
Synonyms Futile, purposeless, vain, to no purpose, unavailing, nugatory, unusable, inefficacious, fruitless, profitless, unachievable, unworkable, kaput, junky, pointless, impractical, in vain, to no avail, bootless, hopeless, ineffectual, impotent, unprofitable, unproductive, Sisyphean, broken, unserviceable, and inutile.
Incompetent
Synonyms Incompetent, worthless, incapable, inadequate, weak, no good, a dead loss, ineffective, ineffectual, inept, hopeless, bad, and bum.
Example Sentences
This old gadget is useless.
His advice was completely useless.
That broken pen seems useless now.
The outdated map is useless.
