The term 'Hated Thing' can be summarized by the crossword solution 'ANATHEMA', which is an 8-letter word. ANATHEMA is a noun that refers to something or someone that is strongly disliked or detested, often due to religious or moral reasons. It is derived from the Greek word 'ANATHEMA', which means 'something dedicated'. In Christianity, it is used to refer to a person or thing that has been cursed and is considered to be evil.