Definitions from Wiktionary (roil)

▸ verb:  (transitive, of a fluid, especially a liquid) To render turbid by stirring up the dregs or sediment of.
▸ verb:  (transitive, of a person or group of people) To annoy; to make angry; to throw into discord.
▸ verb:  (intransitive) To bubble, seethe.
▸ verb:  (obsolete, intransitive) To wander; to roam.
▸ verb:  (intransitive) To romp.

---

▸ Word origin

▸ Words similar to roil
▸ Usage examples for roil

▸ Idioms related to roil
▸ Wikipedia articles (New!)
▸ Words that often appear near roil
▸ Rhymes of roil

▸ Invented words related to roil