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refactor

/rɪˈfæktər/ · re.fac.tor
verb
  1. to change the internal structure of something, such as a program or a document, while preserving its external appearance or behavior. The developer decided to refactor the code to improve its readability and efficiency.
noun
  1. the process of changing the internal structure of something, such as a program or a document, while preserving its external appearance or behavior. The team spent several days on the refactor of the software, resulting in a significant improvement in its performance.
Did you know? The term 'refactor' was popularized by the Agile software development methodology, which emphasizes iterative and incremental improvement of software quality.
Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Aug 2, 2026