Oxford dictionary: decimate: verb - 1.kill, destroy, or remove a large proportion of. "the inhabitants of the country had been decim

Oxford dictionary: decimate: verb - 1.kill, destroy, or remove a large proportion of. "the inhabitants of the country had been decimated" drastically reduce the strength or effectiveness of (something). "public transport has been decimated" - 2.(historical) kill one in every ten of (a group of people, originally a mutinous Roman legion) as a punishment for the whole group. "the man who is to determine whether it be necessary to decimate a large body of mutineers" Sorry, I'm not a native speaker, I wanted to say: effort*=0.1. Thx for pointing this out.