We found 5 dictionaries that define the word on the boil:

General (4 matching dictionaries)

1. on the boil: Merriam-Webster
2. on the boil: Wiktionary

Miscellaneous (1 matching dictionary)

3. on the boil: Idioms

▸ Words similar to on the boil ▸ Usage examples for on the boil ▸ Idioms related to on the boil ▸ Wikipedia articles (New!) ▸ Words that often appear near on the boil ▸ Rhymes of on the boil ▸ Invented words related to on the boil