The antonyms for the word "more shifting" include stable, fixed, steady, constant, and unchanging. These words imply a sense of permanence and consistency, unlike "more shifting" which indicates a continuous change or movement. Stable refers to something that is firm and steadfast, while fixed connotes a situation that is unalterable or inflexible. Steady implies a regular and moderate rate of change, while constant suggests a situation that remains the same over a period of time. Unchanging, on the other hand, denotes a complete absence of any kind of movement or alteration. These antonyms can be used to describe situations that are predictable, structured, or unchanging.