Online Google Dictionary

ineffective 中文解釋 wordnet sense Collocation Usage Collins Definition
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Not producing any significant or desired effect,
  1. Not producing any significant or desired effect
    • - the legal sanctions against oil spills are virtually ineffective
    • - a weak and ineffective president

  1. not producing an intended effect; "an ineffective teacher"; "ineffective legislation"
  2. lacking in power or forcefulness; "an ineffectual ruler"; "like an unable phoenix in hot ashes"
  3. not having the desired effect; ineffectual; lacking in ability; incompetent or inadequate
  4. those that do not contribute to the goals of the human adaptive system.