What is another word for "useless"?

Roget's Thesaurus (1911) lists these synonyms for "useless": abstain, abstinence, acarpous, addle, alone, and, arid, aside, away, back, barren, cast, come, desert, destroy, desuetude, disable, discard, dismantle, dismiss, dispense, disusage, disuse, done, effect, eject, fallow, fire, flash, for, forbear, forbearance, fruitless, give, habit, hang, have, heave, impotence, infecund.