Guest

mutable

/ˈmjuːtəbl̩/ · mu·ta·ble
noun
  1. Something mutable; a variable or value that can change. The weather forecast is a mutable prediction that can change based on new data.
adjective
  1. Changeable, dynamic, evolutive; inclined to change, evolve, mutate. The mutable nature of the universe is a topic of ongoing scientific study.
adjective
  1. (of a variable) Having a value that is changeable during program execution. The mutable variable in the code can be updated at runtime.
Did you know? The concept of mutability has been explored in various fields, including philosophy, where it is related to the idea of change and impermanence.
Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Jul 25, 2026