a liquid dish, typically savoury and made by boiling meat, fish, or vegetables etc. in stock or water

a bowl of tomato soup

a substance or mixture regarded as resembling soup in appearance or consistency

the waves and the water beyond have become a thick brown soup

nitroglycerine or gelignite, especially as used for safe-breaking

increase the power and efficiency of an engine or other machine

souping up an engine's power can increase pollutants