The concept of antonyms for the phrase "more rotating" can be a bit tricky since rotating is an action that generally occurs in one direction. However, some possible antonyms could include words like stationary, immobile, still, static, or fixed. These words suggest the opposite of movement, which is what rotating implies. Another way to approach the antonym for "more rotating" might be to consider the purpose or effect of such movement. For example, if the goal of rotating is to increase speed or momentum, an antonym could be decelerate, slow down, or stop. Alternatively, if the rotation creates turbulence, an antonym could be smooth, calm or stable.