The term 'Crossed Swords' is a metaphor for two people or groups engaging in conflict. The solutions to the crossword clues WARRED (6 letters), SEAPBEER (9 letters), DUELED (6 letters), and DIDBATTLE (9 letters) all refer to different types of conflict. WARRED is a synonym for fought, which is a general term for engaging in battle. Seapbeer is an archaic term for naval warfare. Dueled refers to a one-on-one fight between two people, usually with swords. Didbattle is another way of saying fought in battle. All of these terms can be used to describe the concept of crossed swords.