unaddable
/ˌʌnəˈdeɪbəl/Definitions
1. adjective
Impossible to add or be added up, typically because they are too large or too irregular.
“The unaddable complexity of the math problem led to a dead end in the research.”
2. noun
Something that is impossible to add or be added up, typically because it is too large or too irregular.
“The mathematician was stumped by the unaddable numbers in the equation.”