| roil |
to make (a liquid) turbid by stirring; make cloudy or muddy. [3 definitions] |
| roily |
showing the effects of roiling; cloudy, muddy, or the like. [2 definitions] |
| roister |
to revel boisterously, noisily, and without constraint. [2 definitions] |
| role |
the character played by an actor or actress. [3 definitions] |
| role model |
one who serves as an example in the performance of a particular role. |
| role-playing |
the acting out of a role, esp. by mental health professionals or their clients as a technique for training or therapy. |
| Rolfing |
trademark for an often painful massage technique used to relieve emotional and physical stress. |
| roll |
to move by rotating or turning over repeatedly. [32 definitions] |
| roll around |
to come into existence or happen as part of a repeated cycle. |
| rollaway |
having rollers or casters for ease in bringing out from or returning to storage. |
| rollback |
an act or instance of returning prices or wages to a previous level, as by government order. |
| roll bar |
a very strong metal bar fitted over and across the width of a car or other vehicle that minimizes injury to occupants in the event the vehicle rolls over. |
| roll call |
the reading aloud of a list of names of those expected to be present, such as students in a classroom, soldiers in a unit, or members at a meeting. [2 definitions] |
| rolled oats |
hulled oats that have been crushed by rollers. |
| roller |
a wheel or caster attached to the bottom of a heavy object, for ease in moving. [4 definitions] |
| roller bearing |
a bearing in which the shaft turns with steel rollers that lessen friction. |
| roller coaster |
an amusement park ride in which a small, gravity-propelled train of open cars rides rapidly up and down a curving, winding, track built on trestles. |
| roller skate |
a shoe, or frame fitting over a shoe, with four small rollers or wheels, designed for skating on a hard surface. |
| rollick |
to act or move in a carefree or gay manner; romp and frolic. |
| rolling |
the motion or sound of something that is turning in a circle over and over. [7 definitions] |
| rolling mill |
a factory in which sheets, bars, or slabs of metal are put between rollers and rolled into desired thicknesses. [2 definitions] |