The word "unchangingly" refers to something that is constant and unable to change. The antonyms, on the other hand, are the words that represent the opposite meaning of unchangingly. The antonyms for unchangingly are varied and include the following: changing, varying, sporadic, fluctuating, intermittent, unsteady, and mercurial. These antonyms demonstrate that there are multiple ways in which things can change, and that some of these changes may be more intense or unpredictable than others. Understanding the concept of antonyms is important for developing a strong vocabulary and being able to communicate effectively in writing and speaking.