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

It could not be immediately determined if Harris has an attorney who could speak on his behalf, and efforts to reach his family by phone were unsuccessful.

— ABC News, ABC News, 16 Aug. 2026
Trump met with Kim three times for denuclearization talks during his first term in office that were ultimately unsuccessful.

— Aileen Graef, CNN Money, 16 Aug. 2026

Definition of unsuccessful

Adjective

Stuart Bloom’s futile efforts to right the space-time continuum will continue.

— Rick Porter, HollywoodReporter, 14 Aug. 2026
The central legal debate in the last stretch leading up to Mangione’s trial has revolved around who will get to participate in this perhaps futile—though understandable—interpretive exercise.

— Dan Adler, Vanity Fair, 11 Aug. 2026

Definition of futile

Adjective

The idea that government, which has been defined as incompetent and inefficient for decades, could provide grocery abundance and variety better than Walmart and Costco has triggered a visceral reaction among critics.

— Nathaniel Meyersohn, CNN Money, 15 Aug. 2026
Companies would not respond to an inefficient manufacturing operation simply by purchasing more machinery.

— Eugene Litvak, Fortune, 15 Aug. 2026

Definition of inefficient

Adjective

Even the useless adults of The Shards would surely act quickly to arrest Robert with this much evidence.

— Louis Peitzman, Vulture, 13 Aug. 2026
Talarico calls Big Bend border wall 'useless' Democratic candidate James Talarico reacted to images of bulldozers at Big Bend in an X post.

— Natassia Paloma, USA Today, 11 Aug. 2026

Definition of useless

Adjective

Ironically, the authority of doctors was supremely important to medieval people, even if the treatments seem barbaric and ineffective now.

— T.M. Brown, CNN Money, 16 Aug. 2026
Sheriff Byron Roberson said deputies deployed 10 Taser probes, but some were ineffective, potentially because of the thickness of Lunceford’s construction clothing.

— Ben Wheeler, Kansas City Star, 14 Aug. 2026

Definition of ineffective

Adjective

But worse, military action in Mexico would ultimately be counterproductive in the fight against drug cartels.

— Chris Shays, Hartford Courant, 7 Aug. 2026
Ultimately, glorifying sleep deprivation is counterproductive; prioritizing sleep is key for career longevity and productivity, while chronic insomnia leads to impaired judgment and hinders professional growth.

— Mena Mirhom, Forbes.com, 1 Aug. 2026