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

Relevance

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

Steyer, a Democratic billionaire who spent more than $215 million of his own money in his unsuccessful bid for governor, took fire from rivals for paying content creators.

— Sophie Austin, Fortune, 8 Aug. 2026
Multiple attempts by Star reporters to contact McGee Thursday afternoon were unsuccessful.

— Ilana Arougheti Updated August 7, Kansas City Star, 7 Aug. 2026

Definition of unsuccessful

Adjective

Doors and windows are rendered unopenable by some outside force; attempts to break the glass prove likewise futile.

— Guy Lodge, Variety, 7 Aug. 2026
The Chargers’ search for an impactful ground game has been futile since Gordon ran for the last of his career high in yards.

— Elliott Teaford, Oc Register, 5 Aug. 2026

Definition of futile

Adjective

Canada’s crypto laws are already burdensome enough, but they are also layered on top of a fragmented and inefficient system of securities regulation.

— Karia Samaroo, Fortune, 7 Aug. 2026
Many homeowners unknowingly waste significant money on utility bills due to inefficient HVAC systems, which account for up to 40% of home energy use.

— Brynn Cooksey, Forbes.com, 6 Aug. 2026

Definition of inefficient

Adjective

Houston Astros outfielder Taylor Trammell took a useless jog around the bases in a game against the Toronto Blue Jays earlier this week.

— Zach Dean OutKick, FOXNews.com, 5 Aug. 2026
Of course, what's worth the money for one person may be completely useless to someone else, regardless of the cost.

— Kamaron McNair, CNBC, 4 Aug. 2026

Definition of useless

Adjective

Dawicki hopes the test will reduce the unnecessary use of antibiotics, and slow the current march toward antibiotic resistance that has already rendered several antibiotics ineffective.

— Alice Park, Time, 7 Aug. 2026
But the difference isn't so stark as to render CDs ineffective now.

— Matt Richardson, CBS News, 6 Aug. 2026

Definition of ineffective

Adjective

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
Trying to win without Miller or Morejón could be considered counterproductive.

— Kevin Acee, San Diego Union-Tribune, 1 Aug. 2026