| risk |
a chance of getting hurt or losing something. [3 definitions] |
| risky |
involving a chance of getting hurt or losing something. |
| ritual |
a set form for going through the steps of a religious ceremony. [2 definitions] |
| rival |
a person whom one tries to be better than; competitor. [4 definitions] |
| river |
a large natural stream of water flowing in a particular course toward a lake, ocean, or other body of water. [2 definitions] |
| rivet |
a metal bolt that pins metal plates or other objects together. [3 definitions] |
| Rn |
symbol of the chemical element radon. |
| roach1 |
a short form of "cockroach." |
| road |
a long, narrow course, often with a smooth surface, for vehicles and people to travel on from one place to another. Roads go through towns and also through the countryside. [2 definitions] |
| road map |
a map used by drivers that shows the streets, highways, and mileage in and between towns of an area. |
| roadrunner |
a fast North American bird that moves about on the ground instead of flying. The roadrunner has a long tail, a crest, and streaked feathers. |
| roadside |
the side or edge of a road. [2 definitions] |
| roam |
to move or travel around without a plan; wander. [2 definitions] |
| roan |
having a dark coat thickly sprinkled with white. [2 definitions] |
| roar |
to make a long cry or shout that is both deep and loud. [4 definitions] |
| roast |
to cook or bake with dry heat in an oven or over an open fire. [6 definitions] |
| rob |
to steal from by using force or threats. [2 definitions] |
| robber |
a person who robs or steals by using force. |
| robbery |
the act of stealing money or property from a person or place; the act of robbing. |
| robe |
a long, loose gown worn at certain ceremonies. [3 definitions] |
| robin |
a large North American songbird related to the thrush, with an orange-red breast, dark brown head and back, and a bright yellow bill. [2 definitions] |