I'm trying to figure out what style guidelines or rules apply to creating compound adjectives when adverbs are involved. Typically you create compound adjectives when there is potential for ambiguity ...
I see sometimes in conjunciton or disjunction, the common root of two or more compound words are factored out, for example, "super- and sub-script" (maybe bad example, but it suffices to describe the ...
Compound adjectives functioning as adverbs modifying other adjectives; is it possible and grammatical?
Soul-crushingly bad; heartbreakingly sad; bone-crunchingly violent; etc. I swear I have seen it done, but I am not sure whether it's proper grammar or not.