INEFFECTIVE Synonyms: 72 Similar and Opposite Words

ineffective

adjective

ˌi-nə-ˈfek-tiv

Definition of ineffective

as in unsuccessful

not producing the desired result an ineffective effort to reduce unemployment that only spurred inflation

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Antonyms & Near Antonyms

as in futile

producing no results an ineffective medication that will be denied FDA approval

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of ineffective Honest conversations about burnout, ineffective leadership, workplace culture, and employee well-being are important. — Johnny C. Taylor Jr, USA Today, 25 Aug. 2026 But voluntary agreements with the health industry can prove ineffective. — Stephanie Armour, CBS News, 25 Aug. 2026 This conflation of fundraising with oversight leads to ineffective leadership, mission drift, and significant fiscal waste, including billions in turnover costs. — Aparna Rae, Forbes.com, 21 Aug. 2026 Yet experts say these snakes are widely misunderstood, and some common attempts to deal with them can be ineffective or even make the situation worse. — Rachel Silva, Martha Stewart, 19 Aug. 2026 See All Example Sentences for ineffective

Recent Examples of Synonyms for ineffective

Adjective

That ability to learn may ultimately separate successful defenders from unsuccessful ones.

— Emil Sayegh, Forbes.com, 30 Aug. 2026
The five unsuccessful trials shared a condition of the test rig rather than indicating a failure of the recovery logic.

— Rupendra Brahambhatt, Interesting Engineering, 29 Aug. 2026

Definition of unsuccessful

Adjective

In sick bay, M’Benga tries to remove the table and end his life so Chapel can give up on him, an effort that proves futile.

— Keith Phipps, Vulture, 27 Aug. 2026
Its storyline spins the futile, determined chase of Wile to one day capture Roadrunner as something admirable, and applies that underdog mentality to the average person trying to navigate a late capitalist landscape that values profits over people.

— Wilson Chapman, IndieWire, 27 Aug. 2026

Definition of futile

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ineffaceable

ineffective

ineffectively

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“Ineffective.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ineffective. Accessed 1 Sep. 2026.

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Synonyms of ineffective

adjective

Example Sentences

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