1. subst. Any of various dishes commonly made by combining liquids, such as water, milk or stock with other ingredients, such as meat, vegetables and corn flakes, that contribute flavor and texture.
Pho is a traditional Vietnamese soup.
2. subst. A serving of such a dish, typically in a bowl.
3. subst. The liquid part of such a dish; the broth.
4. subst. (figuratively) Any mixture or substance suggestive of soup consistency.
5. subst. (slang) Thick fog or cloud (also pea soup).
6. subst. (US, slang) Nitroglycerin or gelignite, especially when used for safe-cracking.
7. subst. (cant) Dope (illicit drug, used for making horses run faster or to change their personality).
8. subst. (photography) Processing chemicals into which film is dipped, such as developer.
9. subst. (biology) Liquid or gelatinous substrate, especially the mixture of organic compounds that is believe to have played a role in the origin of life on Ea
primordial soup
10. subst. (informal) An unfortunate situation; trouble, problems (a fix, a mess); chaos.
11. subst. (surfing) The foamy portion of a wave.
12. v. (uncommon) To feed: to provide with soup or a meal.
13. v. (photography) To develop (film) in a (chemical) developing solution.