The word "most never-ceasing" can be described as something that is consistently ongoing, persistent or perpetual. In contrast, the antonyms for this word could be temporary, sporadic or finite. Temporary implies that something is brief and limited compared to something that is ongoing. Sporadic means something that occurs occasionally or in irregular intervals. Finite indicates that something has an endpoint or a limit, which makes it different from something that is never-ceasing. Therefore, when looking for antonyms for "most never-ceasing," one can consider temporary, sporadic, or finite, as they are opposite in meaning.