The word **输家** (shūjiā) is a compound noun formed by combining the verb **输** (shū), meaning "to lose" or "to be defeated," with the suffix **家** (jiā), which in this context denotes a person who is characterized by or professionally involved in a certain action or state. Literally, it means "losing person" or "one who loses," and it functions grammatically as a single unit to mean "loser" or "the defeated party," typically used in competitive contexts like games, sports, or business to refer to the person or side that does not win.