ineffective

Adjective
Synonyms: uneffectiveineffectualunableinefficient

WordNet 3.0

Adjective (3)

  1. not producing an intended effect“an ineffective teacher”“ineffective legislation”Synonyms: uneffectiveineffectual
  2. lacking in power or forcefulness“an ineffectual ruler”“like an unable phoenix in hot ashes”Synonyms: ineffectualunable
  3. lacking the ability or skill to perform effectively; inadequate“an ineffective administration”“inefficient workers”Synonyms: inefficient
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Webster's Dictionary (GCIDE)

Ineffective \In`ef*fect"ive\, a. [Pref. in- not + effective: cf. F. ineffectif.] Not effective; not having the desired effect; ineffectual; futile; inefficient; useless; as, an ineffective appeal; an ineffective herbal remedy. [1913 Webster +PJC]

The word of God, without the spirit, [is] a dead and ineffective letter. --Jer. Taylor. [1913 Webster]

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