ROIL

roil, rile

(verb) make turbid by stirring up the sediments of

churn, boil, moil, roil

(verb) be agitated; “the sea was churning in the storm”

Source: WordNet® 3.1

Etymology

Verb

roil (third-person singular simple present roils, present participle roiling, simple past and past participle roiled)

(transitive) To render turbid by stirring up the dregs or sediment of.

Synonym: agitate

(transitive) To annoy; to make someone angry.

Synonyms: irritate, rile

(intransitive) To bubble, seethe.

(obsolete, intransitive) To wander; to roam.

(obsolete, UK, dialect, intransitive) To romp.

Anagrams

• Loir, Lori, loir

Source: Wiktionary

Roil, v. t. [imp. & p. p. Roiled; p. pr. & vb. n. Roiling.] Etym: [Cf. OE. roilen to wander; possibly fr. OF. roeler to roll, equiv. to F. rouler. See Roll, v., and cf. Rile.]

1. To render turbid by stirring up the dregs or sediment of; as, to roil wine, cider, etc. , in casks or bottles; to roil a spring.

2. To disturb, as the temper; to ruffle the temper of; to rouse the passion of resentment in; to perplex. That his friends should believe it, was what roiled him [Judge Jeffreys] exceedingly. R. North.

Note: Provincial in England and colloquial in the United States. A commoner, but less approved, form is rile.

Roil, v. i.

1. To wander; to roam. [Obs.]

2. To romp. [Prov.Eng.] Halliwell.

Source: Webster’s Unabridged Dictionary 1913 Edition