When a substance transforms from a solid or gas state to a liquid state, we can use the term "became liquefied." However, there are alternative phrases and synonyms that can be used to describe this transition. For example, "melted" can be used to describe a solid substance turning into a liquid. "Fluidized" can be used to describe a gas becoming a liquid and "liquefied" can be replaced with "liquefacted." Other terms include "dissolved," "melted down," or "transformed into a liquid." Using synonyms not only adds variety to your writing but also improves your vocabulary and communication skills.