Improve
Step up
Step up verb - To make markedly greater in measure or degree.
Improve is a synonym for step up in accelerate topic. You can use "Improve" instead a verb "Step up", if it concerns topics such as increase.
Mutual synonyms
Both terms in one sentence
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While the player could coast through the early game and Rex Raptor with their starter deck, Weevil is a step up from Rex, and unless the player has a solid grasp on fusions and did some grinding to improve their deck, they are likely to get stomped by him.
Cite this Source
Step up and Improve. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/improve/step_up
Improve & Step up. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/improve/step_up>.
Step up or Improve. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/improve/step_up.
Google Ngram Viewer shows how "improve" and "step up" have occurred on timeline