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|Adj.||1.||uneffective - not producing an intended effect; "an ineffective teacher"; "ineffective legislation"|
idle - not in action or at work; "an idle laborer"; "idle drifters"; "the idle rich"; "an idle mind"
inefficacious - lacking the power to produce a desired effect; "laws that are inefficacious in stopping crime"
inefficient - not producing desired results; wasteful; "an inefficient campaign against drugs"; "outdated and inefficient design and methods"
powerless - lacking power
useless - having no beneficial use or incapable of functioning usefully; "a kitchen full of useless gadgets"; "she is useless in an emergency"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.