Raging Mad is a term used to describe someone who is extremely angry or furious. The crossword solutions for this term are RABID, LIVID, and Inastew. RABID is an adjective meaning 'furious or violent' and is derived from the Latin word rabere, meaning 'to rage'. LIVID is an adjective meaning 'enraged or furious' and is derived from the Latin word lividus, meaning 'black and blue'. Inastew is an archaic verb meaning 'to be in a state of extreme anger or rage'. All three words can be used to describe someone who is Raging Mad.