roiling

Adjective

Synonyms: churning roiled roily turbulent

WordNet 3.0

Adjective (1)

(of a liquid) agitated vigorously; in a state of turbulence“the river's roiling current”“turbulent rapids”Synonyms: churning roiled roily turbulent

Webster's Dictionary (GCIDE)

Roil \Roil\, v. t. [imp. & p. p. Roiled; p. pr. & vb. n. Roiling.] [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. [1913 Webster]

2.To disturb, as the temper; to ruffle the temper of; to rouse the passion of resentment in; to perplex. [1913 Webster]

That his friends should believe it, was what roiled him [Judge Jeffreys] exceedingly.— R. North.[1913 Webster]

Note: Provincial in England and colloquial in the United States. A commoner, but less approved, form is rile. [1913 Webster]