When it comes to finding the best ideas for synonyms of the word “variable”, there are many great options to consider. From alterable and adaptable to changeable and fluctuating, there are a variety of words that can be used to describe something that is variable. Additionally, words such as flexible, unstable, unpredictable, and unfixed can also be used to describe something that is variable. Furthermore, words such as indefinite, unreliable, unconstant, and volatile can be used as other words for variable. Ultimately, there are many great synonyms for the word variable that can be used to help explain the concept in a variety of different ways.