Flaw
Flaw verb - To reduce the soundness, effectiveness, or perfection of.
Usage example: that crack has flawed the vase to the extent that its value in the antiques market is greatly reduced
Improve
Improve verb - To make better.
Usage example: a little salt would improve this bland food
Both words in one sentence
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Timmy's main flaw when he makes a wish, he doesn't think them through most of the time when he tries to improve his life.
Source: Didn't Think This Through - A design flaw that shows up mainly in RPGs, but also in other games where the main characters' abilities are supposed to improve over time.
Source: Parabolic Power Curve -
This is the fatal flaw of Spider-Man villain Overdrive; he has the power to alter, transform, or improve any vehicle near him.
Source: Crippling Overspecialization
Cite this Source
Improve and Flaw. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/flaw/improve
Flaw & Improve. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/flaw/improve>.
Improve or Flaw. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/flaw/improve.
Google Ngram Viewer shows how "flaw" and "improve" have occurred on timeline