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 Twentieth-century historians tended to paint the senator as an ineffectual hothead, but Tameez maintains that Sumner’s in-your-face style helped shock a complacent nation into action. — Rob Wolfe, The Atlantic, 5 June 2026 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 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

Police said Reyes did not provide any form of identification, and attempts to identify him were unsuccessful.

— Rafael Escalera Montoto, Arkansas Online, 23 Aug. 2026
Attempts by The Associated Press to determine who their defense attorneys were to request comment were unsuccessful.

— ABC News, ABC News, 23 Aug. 2026

Definition of unsuccessful

Adjective

The receiving corps is still a question mark, and depending solely on De’Von Achane seems futile.

— Gladys Louise Tyler, Forbes.com, 22 Aug. 2026
Named Wilbur by the hive mind of social media, the animal blew up online after resident Jamaal Harrison posted a video to TikTok on Saturday showing his futile attempts to catch it on an e-bike.

— Fedor Zarkhin, Los Angeles Times, 21 Aug. 2026

Definition of futile

Adjective

Garcia and Vargas Bustamante both agreed that not all of the health advice available on social media is useless, predatory or incorrect.

— Carlos De Loera, Los Angeles Times, 21 Aug. 2026
If an agent queries a legacy database to decide whether to trigger an outreach sequence or prioritize an account, a flat list of static attributes is fundamentally useless to its reasoning engine.

— Filip Popovic, Forbes.com, 18 Aug. 2026

Definition of useless

Adjective

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
The Los Angeles City Council has rescinded camping bans on a dozen locations in Hollywood, Echo Park and Silver Lake at the urging of the area’s council member, who called the bans ineffective in addressing homelessness.

— Sandra McDonald, Los Angeles Times, 19 Aug. 2026