Fix
Fix verb - To put into good shape or working order again.
Usage example: have to fix the car before we can go
Improve
Improve verb - To make better.
Mutual synonyms
Common collocations
Both words in one sentence
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Beyond the Impossible: Metal Knight was able to fix and improve City A in seven days what the Hero Association assumed would take a minimum of 10 years.
Source: Webcomic / One-Punch Man -
Alternatively, if you attempt to use science and technology to fix or improve the environment, giant worms will rise up from the ocean, rampage across your country, and leave your modern technology-driven civilization in ruins.
Source: Anime / Earth Maiden Arjuna - Transfers from FE 9 will improve Ike's bases, but do not fix his lesser mobility or his poor resistance.
Source: Game Breaker / Fire Emblem
Cite this Source
Improve and Fix. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fix/improve
Fix & Improve. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fix/improve>.
Improve or Fix. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fix/improve.
Google Ngram Viewer shows how "fix" and "improve" have occurred on timeline