useless

1 not capable of being put to use or account a garage full of useless junk Synonyms impracticable, inoperable, nonpractical, unserviceable, unusable, unworkable, impracticalRelated Words unsuitable; inaccessible, unattainable, unavailable, unobtainable, unreachable; dead, dormant, fallow, free, idle, inactive, inert, inoperative, latent; arrested, interrupted, suspended; unrealisticNear Antonyms accessible, acquirable, available, obtainable, procurable, reachable; all-around (also all-round), handy; active, alive, busy, employed, functioning, operating, operative, running, workingAntonyms applicable, feasible, functional, operable, operational, practicable, practical, serviceable, ultrapractical, usable (also useable), useful, utilizable, workable

2 producing no results a useless attempt to reach an agreement Synonyms abortive, barren, bootless, empty, fruitless, ineffective, ineffectual, inefficacious, otiose, profitless, unavailing, unproductive, unprofitable, unsuccessful, futile, vainRelated Words hollow, idle, meaningless, pointless, valueless, worthless; hopeless, impossible, lost, no-win, unattainable; inadequate, insufficient, lacking, wanting; counterproductiveNear Antonyms meaningful, worthwhile; adequate, sufficient; applicable, feasible, functional, practicable, practical, realizable, usable (also useable), workableAntonyms deadly, effective, effectual, efficacious, efficient, fruitful, potent, productive, profitable, successful, virtuous