- to render (water, wine, etc.) turbid by stirring up sediment.
- to disturb or disquiet; irritate; vex: to be roiled by a delay.
- to move or proceed turbulently.
Origin of roil
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for roils
Add sufficient Graham flour to make a rather stiff dough, knead thoroughly, shape into roils, and bake.
The heat of the oven should be somewhat greater for roils and biscuit than for bread.
- (tr) to make (a liquid) cloudy or turbid by stirring up dregs or sediment
- (intr) (esp of a liquid) to be agitated or disturbed
- (intr) dialect to be noisy or boisterous
- (tr) another word (now rare) for rile (def. 1)
Word Origin and History for roils
1580s, of uncertain origin, probably from Middle French rouiller "to rust, make muddy," from Old French roil "mud, muck, rust" (12c.), from Vulgar Latin *robicula, from Latin robigo "rust" (see robust). An earlier borrowing of the French verb is Middle English roil "to roam or rove about" (early 14c.). Related: Roiled; roiling.