unsolubly
/ˌʌnsəˈluːbli/; /ˌʌnsɒˈluːbli/Definitions
1. adverb
in a manner that is insoluble or cannot be dissolved; in a manner that is difficult to solve or explain.
“The mysteries of the universe were solved unsolubly by the brilliant scientist.”
2. adverb
in a manner that is difficult to separate or distinguish.
“The two concepts were intertwined unsolubly and required careful analysis to understand.”