- (transitive) to make (a liquid) cloudy or turbid by stirring up dregs or sediment
- (intransitive) (esp of a liquid) to be agitated or disturbed
- (intransitive) dialect to be noisy or boisterous
- (transitive)
another word (now rare) for rile
WordReference Random House Learner's Dictionary of American English © 2026
roil /rɔɪl/USA pronunciation
v. [~ + object]
WordReference Random House Unabridged Dictionary of American English © 2026- to disturb (a fluid) by stirring:wind roiling the water.
- to disturb or irritate:Her whining roiled everyone who met her.
roil
(roil),USA pronunciation v.t.
v.i.
- to render (water, wine, etc.) turbid by stirring up sediment.
- to disturb or disquiet;
irritate;
vex:to be roiled by a delay.
v.i.
- to move or proceed turbulently.
- origin, originally uncertain 1580–90
- 2. annoy, fret, ruffle, exasperate, provoke, rile.
Collins Concise English Dictionary © HarperCollins Publishers::
roil /rɔɪl/ vb
'roil' also found in these entries (note: many are not synonyms or translations):