The term "most comprising" suggests that something includes the majority of a particular thing or idea. Antonyms for this phrase, on the other hand, would imply a lack or absence of that particular element. Words like "least containing" or "fewest encompassing" are opposite in meaning to "most comprising." These terms indicate a smaller quantity or degree of something, rather than a majority or entirety. "Excluding," "omitting," and "excluding" are also antonyms since they suggest the deliberate removal of certain elements from a larger group. In short, antonyms for "most comprising" involve ideas of reduction, exclusion, or limitation, rather than inclusion or abundance.