INEFFECTUAL Synonyms: 72 Similar and Opposite Words

ineffectual

adjective

ˌi-nə-ˈfek-chə(-wə)l

Definition of ineffectual

as in unsuccessful

not producing the desired result an ineffectual effort to find the trail again did at least lead them to another stunning view of the canyon

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in futile

producing no results another ineffectual plan to lose weight without dieting or exercising

Synonyms & Similar Words

Antonyms & Near Antonyms

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 ineffectual The current environment of Democrat versus Republican, us versus them, renders the entire body ineffectual and incapable of independent agency and thought. — Lucas Robinson, San Diego Union-Tribune, 7 May 2026 The processing element tiles operate on compressed matrices, eliminating all unnecessary and ineffectual computation. — Olivia Hsu, IEEE Spectrum, 28 Apr. 2026 The power struggle swirls around the saintly, ineffectual King Henry until gradually the dynamic York, who has pretended to support Margaret while secretly hatching his own plot, emerges as the chief contender for the throne. — Gitanjali Roy, Encyclopedia Britannica, 23 Apr. 2026 Others get more personal, as when Anushka (Meaghan Rath), the ineffectual chief ethicist at a Google-like giant, and her oddball inventor husband, Martin (Simon Helberg), butt heads over her skepticism of his work. — Angie Han, HollywoodReporter, 10 Apr. 2026 See All Example Sentences for ineffectual

Recent Examples of Synonyms for ineffectual

Adjective

Her 36-year-old NFL star boyfriend was also coming off another season playing for the Kansas City Chiefs, which ended with an unsuccessful campaign for a third consecutive Super Bowl ring.

— Rachel Burchfield, InStyle, 4 July 2026
However, the efforts were unsuccessful, according to the statement.

— Matt Lavietes, NBC news, 4 July 2026

Definition of unsuccessful

Adjective

By the late 1970s, the brothers were exhausted by the work of being professional Rosenbergs, and starting to worry that the effort was futile.

— Amy Weiss-Meyer, The Atlantic, 10 July 2026
On appeal, the Crown argued the trial judge erred by declining to order a fitness assessment before considering a stay and by concluding such an assessment would be futile.

— Christina Coulter, PEOPLE, 9 July 2026

Definition of futile

Adjective

As the large inefficient buses are phased out, this would significantly reduce the capital expenditures that Lynx requires.

— Scott Maxwell, The Orlando Sentinel, 10 July 2026
By that logic, if a route is long and inefficient, platforms should simply raise drivers’ pay and pass on the fare hike to the passenger.

— Christopher S. Tang, The Conversation, 8 July 2026

Definition of inefficient

Adjective

What remains that haven’t been scavenged have decomposed to the point where DNA analysis is difficult and all but useless in Gaza, where there are no functioning laboratories able to test and compare samples.

— Bilal Shbeir, Los Angeles Times, 9 July 2026
Jennifer, for her part, is pretty sure that the information on Dennis’s burner phone is completely useless.

— Erin Qualey, Vulture, 8 July 2026

Definition of useless

Adjective

Perhaps unsurprisingly, subsequent attempts at diplomacy, led by the ailing diplomat and intellectual Benjamin Franklin, also proved ineffective.

— Sarah M.S. Pearsall, The Conversation, 2 July 2026
Skunks would rather put up with the strong scent of mothballs than leave a hospitable environment, making mothballs totally ineffective against skunks.

— Michelle Mastro, The Spruce, 1 July 2026

Definition of ineffective

Adjective

The move might seem counterproductive to some, but being at the top has its advantages.

— Sean Joseph OutKick, FOXNews.com, 2 July 2026
Overall, the report's authors said 2026 has been counterproductive for the Russian military, and that Moscow may be losing the war.

— Chris Boccia, ABC News, 1 July 2026