The phrase "more shilly-shally" means to hesitate or dawdle, and can be used in many different contexts. There are a variety of synonyms that can be used in place of this phrase, depending on the situation. Some possible alternatives include dithering, vacillating, wavering, indecisive, procrastinating, and dragging one's feet. Each of these words captures a slightly different aspect of the idea of hesitating or delaying, and can be used interchangeably in many cases. Ultimately, the choice of which synonym to use will depend on the specific sentence or paragraph where the word appears, and the tone that the writer is trying to convey.