sump up

Verb

sum up (third-person singular simple present sums up, present participle summing up, simple past and past participle summed up)

1. (ambitransitive) To produce a total by adding.
   • We summed up the donations and found that we had just enough to pay the bills.

   Synonyms:

   add up

2. (ambitransitive) To summarize.
   • So, to sum up your argument, what you are saying is that it is impossible.