To Boil

1. (transitive, of liquids) To heat to the point where it begins to turn into a gas.
2. (transitive, intransitive) To cook in boiling water.
3. (intransitive, of liquids) To begin to turn into a gas, seethe.
4. (transitive, Britain, informal) To bring to a boil, to heat so as to cause the contents to boil.
5. (intransitive, informal, used only in progressive tenses, of weather) To be uncomfortably hot.
6. (intransitive, informal, used only in progressive tenses) To feel uncomfortably hot.
7. (transitive) To form, or separate, by boiling or evaporation.
8. (obsolete) To steep or soak in warm water.
9. To be agitated like boiling water; to bubble; to effervesce.
10. To be moved or excited with passion; to be hot or fervid.

(of a liquid): seethe, well, plaw (UK, dialectal, dated, uncommon); cook

(of the weather): be baking, be scorching, be sweltering

(of a person): be seething, be baking, be stewing

(of a liquid): condense

(of the weather): be freezing

(of a person): be freezing