ineffective

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

Definition of ineffective

  1. 1 :  not producing an intended effect :  ineffectual ineffective lighting

  2. 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

1649

First Known Use of ineffective

1649


INEFFECTIVE Defined for English Language Learners

ineffective

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

Definition of ineffective for English Language Learners

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


INEFFECTIVE Defined for Kids

ineffective

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

Definition of ineffective for Students

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

ineffectively

adverb


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