Ineffective
Ineffective adjective - Not producing the desired result.
Poor is a synonym for ineffective in inefficient topic. In some cases you can use "Poor" instead an adjective "Ineffective", when it comes to topics like inadequate, ineffectual.
Poor
Poor adjective - Lacking money or material possessions.
Ineffective is a synonym for poor in inadequate topic. Sometimes you can use "Ineffective" instead an adjective "Poor".
Mutual synonyms
Both words in one sentence
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A DOKAW is almost hilariously ineffective against anything smaller or more mobile than a town, and can be pushed off course or even brought down by, at minimum, particularly poor weather.
Source: Literature / Shatterpoint -
With clubbing forearms proving ineffective, Bam Bam shut him up by just kicking the poor bastard in the back of the head.
Source: Wrestling / Bam Bam Bigelow -
Its only real downsides are very poor accuracy when moving and a small magazine with a long reload, especially when emptied, making it rather ineffective against infected with large amounts of health, like Tanks and Chargers, or against large hordes of weaker ones.
Source: Video Game / Left 4 Dead 2
Cite this Source
Poor and Ineffective. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/ineffective/poor
Ineffective & Poor. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/ineffective/poor>.
Poor or Ineffective. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/ineffective/poor.
Google Ngram Viewer shows how "ineffective" and "poor" have occurred on timeline