ineffective

adjective in·ef·fec·tive \ ˌi-nə-ˈfek-tiv \
Updated on: 14 May 2018

Definition of ineffective

1 : not producing an intended effect : ineffectual
  • ineffective lighting
2 : not capable of performing efficiently or as expected : incapable
  • an ineffective executive

ineffectively

adverb

ineffectiveness

noun

Examples of ineffective in a Sentence

  1. The treatment was ineffective against the disease.

  2. an ineffective effort to reduce unemployment that only spurred inflation

Recent Examples of ineffective from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ineffective.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of ineffective

1649

in the meaning defined at sense 1

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INEFFECTIVE Defined for English Language Learners

ineffective

Definition of ineffective for English Language Learners

  • : not producing or having the effect you want : not effective


INEFFECTIVE Defined for Kids

ineffective

adjective in·ef·fec·tive \ ˌi-nə-ˈfek-tiv \

Definition of ineffective for Students

: not having the desired effect
  • The medicine was ineffective.

ineffectively

adverb


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