The term 'brought to ruin' can be described by the crossword solutions of sabotaged (9 letters), sank (4 letters), undid (5 letters), UNDONE (6 letters), and didin (5 letters). Sabotage is an act of intentionally damaging or destroying something, while sinking is the act of submerging something in water. Undid and UNDONE both refer to reversing an action, while didin is a term used to describe the act of ruining something. All of these terms together can be used to describe the phrase 'brought to ruin, ' which means to cause something to be destroyed or ruined.