The phrase "improve away" refers to the act of getting rid of or eliminating a problem or flaw to make something better. There are several synonyms for this phrase such as eradicate, remove, rectify, fix, correct, amend, solve and eliminate. Each of these words encompasses the idea of making something better by getting rid of something negative or problematic. Additionally, the use of these synonyms can add variety and nuance to one's writing or speech. When looking to communicate the idea of improving something by eliminating a flaw or problem, using any of these synonyms can add depth and specificity to the message being conveyed.