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

But synthesizing those hormones from animal or plant extracts had been too expensive and relatively ineffective for use in commercial oral contraceptives. Robert D. Mcfadden, BostonGlobe.com, "George Rosenkranz, a developer of the birth control pill, dies at 102," 26 June 2019 But synthesizing those hormones from animal or plant extracts had been too expensive and relatively ineffective for use in commercial oral contraceptives. Robert D. Mcfadden, New York Times, "George Rosenkranz, a Developer of the Birth Control Pill, Dies at 102," 23 June 2019 Everyone involved is said to believe that Morata should remain with Atletico, given he was largely ineffective for the majority of his time with Chelsea. SI.com, "Alvaro Morata Reveals Why He Struggled at Chelsea as Atletico Madrid Eye 'Immediate' €55m Deal," 8 June 2019 Short courses of dieting or fasting are considered ineffective for weight loss. Aamir Hussain, Houston Chronicle, "Commentary: Is fasting at Ramadan good for you?," 19 May 2018 Dinkins was pilloried for what was perceived as the city’s ineffective police response. Mary Carole Mccauley, baltimoresun.com, "Lewis museum photo exhibit 'Reflections' looks into lives of prominent black Americans," 17 Mar. 2018 Under the bill, patients could avoid having to first use the cheaper drugs in certain cases, such as when they are expected to be ineffective or cause adverse reactions. Patrick Marley, Milwaukee Journal Sentinel, "Wisconsin Assembly approves bills on homelessness, regulation of 5G technology," 18 June 2019 Officers fired non-lethal rounds, which were ineffective, the sheriff’s office said. Sam Tabachnik, The Denver Post, "Man shot and injured by Greeley police after holding flare near menthol tank, police say," 8 June 2019 DeMarcus Cousins was so ineffective, head coach Steve Kerr had to abandon the notion of a second-half rebound. Bruce Jenkins, SFChronicle.com, "Kawhi Leonard, Raptors seize Game 4, presenting a dark prospect for Warriors," 7 June 2019

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

9 Jul 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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something desired as essential

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