Ineffective

Pronunciation: /ˌɪnɪˈfɛktɪv/

Ineffective (adj)

  1. Not able to produce the result you want; having little or no effect.
  2. Not successful in reaching a planned aim, because the method or action does not work.
  3. Having a low level of power or influence, so the outcome is smaller than expected.

Ineffective (adjective)

Examples

  • The new filter is ineffective at removing dust.
  • This medicine is ineffective for treating the infection.