Helpful
Helpful adjective - Providing service or assistance.
Usage example: a Web site that I've always found to be helpful for finding information on common medical problems
Ineffectual is an antonym for helpful.
Ineffectual
Ineffectual adjective - Not producing the desired result.
Usage example: an ineffectual effort to find the trail again did at least lead them to another stunning view of the canyon
Helpful is an antonym for ineffectual.
Nearby Words: ineffective, ineffectively
Both words in one sentence
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Both are treated as the Ineffectual Shrink at first but ultimately prove to be very helpful.
Source: The Shrink -
Other cops, be they local police or other FBI agents, can be all over the place: genuinely helpful, well-meaning but ineffectual, obstructive bureaucrats or in cahoots with the Syndicate/Monster of the Week.
Source: Series / The X-Files
Cite this Source
Ineffectual and Helpful. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/helpful/ineffectual
Helpful & Ineffectual. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/helpful/ineffectual>.
Ineffectual or Helpful. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/helpful/ineffectual.
Google Ngram Viewer shows how "helpful" and "ineffectual" have occurred on timeline