The crossword question “Hostile parties is FOES” is asking for a five-letter word that means hostile parties. The answer to this clue is “FOES“. The word “foes” is commonly used to describe enemies or opponents who are in conflict with each other. In this context, it refers to two or more groups or individuals who have opposing views or goals and are engaged in a hostile or adversarial relationship. The word “foes” is a suitable answer to this clue because it accurately describes the meaning of the phrase “hostile parties“.