The term 'MOST INHUMANE' can be defined as the CRUELEST or most barbaric act. It is often used to describe a situation or action that is considered to be particularly cruel or inhumane. The crossword solution for this term is 'CRUELEST', which is an 8-letter word meaning the same thing. This term is often used to describe a situation or action that is considered to be particularly cruel or inhumane, and is usually used to describe the worst possible act of cruelty.