ineffective

adjective
in·​ef·​fec·​tive | \ ˌi-nə-ˈfek-tiv How to pronounce ineffective (audio) \

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

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Other Words from ineffective

ineffectively adverb
ineffectiveness noun

Examples of ineffective in a Sentence

The treatment was ineffective against the disease. an ineffective effort to reduce unemployment that only spurred inflation

Recent Examples on the Web

After Britain banned the export of one of the similar devices in 2010, the scheme started to unravel as independent tests proved the devices were totally ineffective and had no scientific basis. Kaweewit Kaewjinda, Fox News, "Thai businessman convicted of selling fake bomb detectors," 27 Sep. 2018 Maikel Franco simply isn’t cutting it at third base, and at shortstop, top prospect J.P. Crawford has been ineffective and hurt. Si.com Staff, SI.com, "Midseason Roundtable: The SI Staff Makes Some Second-Half Predictions," 11 July 2018 Democrats have argued that building a wall on the southwestern border is ineffective and a waste of resources, and rejected hard-line proposals to limit legal immigration. Linda Qiu, New York Times, "No, Democrats Don’t Want ‘Open Borders’," 27 June 2018 Such remedies, Delrahim argued, were often ineffective and created a pseudo-regulatory process that the courts were ill-equipped to enforce. Felix Gillette, Bloomberg.com, "Get Ready for Big Media to Get Bigger After AT&T Victory," 13 June 2018 Other experts advise that framing vaccine worries as a debate or fight is ineffective and even counterproductive. NBC News, "Public support for vaccines drops a bit," 21 May 2018 Thomas has been dreadfully ineffective and cranky, twice leaving the postgame locker room before reporters were allowed in. Bruce Jenkins, San Francisco Chronicle, "Cousins’ injury a multi-layered mess," 27 Jan. 2018 If you're maligned with nodules or cysts, most OTC options are totally ineffective and your best bet is to be treated by a dermatologist. Molly Nover-baker, Redbook, "How to Get Rid of Annoying Acne, So You Don't Have to Feel Like a Miserable Teenager," 27 Dec. 2016 Partisan bickering has brought us the most ineffective Congress ever, led by Rep. Steve Scalise. Drew Broach, NOLA.com, "Tammy Savoie, retired Air Force colonel, running for Congress against Steve Scalise," 15 May 2018

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.

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First Known Use of ineffective

1649, in the meaning defined at sense 1

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Statistics for ineffective

Last Updated

14 May 2019

Look-up Popularity

Time Traveler for ineffective

The first known use of ineffective was in 1649

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More Definitions for ineffective

ineffective

adjective

English Language Learners Definition of ineffective

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

ineffective

adjective
in·​ef·​fec·​tive | \ ˌi-nə-ˈfek-tiv How to pronounce ineffective (audio) \

Kids Definition of ineffective

: not having the desired effect The medicine was ineffective.

Other Words from ineffective

ineffectively adverb

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Comments on ineffective

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