The term 'Rise Up in Opposition' can be summarized by two crossword solutions: 'REVOLT' (6 letters) and 'REBEL' (5 letters). REVOLT and REBEL are both terms used to describe a situation in which people oppose authority or an established order. This opposition is usually expressed through protests, demonstrations, or other forms of civil disobedience. In some cases, it may even involve armed conflict. In either case, the goal is to challenge the status quo and bring about change.