ineffective

adjective

  1. 1

    lacking the ability or skill to perform effectively; inadequate

    an ineffective administration

    inefficient workers

  2. 2

    not producing an intended effect

    an ineffective teacher

    ineffective legislation

  3. 3

    lacking in power or forcefulness

    an ineffectual ruler

    like an unable phoenix in hot ashes

Synonyms

Also useful for “ineffective”:Scrabble