WOOS is an acronym for the three activities of wooing someone: romancing, courting, and suing. Romancing is the act of expressing love and affection to someone in order to gain their affections. Courting is the act of pursuing a romantic relationship with someone, often with the intention of marriage. Suing is the act of taking legal action against someone in order to receive compensation or justice. All three activities are part of the process of wooing someone, and together they form the acronym WOOS.