| rust |
an orange or reddish brown coating that forms on metal that has been exposed to air and water. [3 definitions] |
| rustic |
living or happening in the country. [2 definitions] |
| rustle |
to make soft, hissing sounds like things rubbing together. [4 definitions] |
| rustler |
a person who rustles or steals livestock. |
| rusty |
covered with rust; not working well. [2 definitions] |
| rut1 |
a hollow track worn into the ground. [3 definitions] |
| ruthless |
having no mercy or sympathy; cruel. |
| Rwanda |
a central African country between the Democratic Republic of the Congo and Tanzania. |
| rye1 |
a grass grown for its grain. Rye seeds are used for cereal, flour, and other grain products. [2 definitions] |
| -s1 |
a suffix used to form the third person singular present tense of all regular and most irregular verbs. |
| -s2 |
a suffix used to form the regular plural of most nouns. |
| -'s2 |
a suffix used to form the possessive of most singular nouns, some plural nouns not ending in "s," and some pronouns. |
| -'s3 |
a suffix used as a shortened form of "is." [3 definitions] |
| S1 |
abbreviation of "south." |
| s |
the nineteenth letter of the English alphabet. [2 definitions] |
| Sabbath |
Saturday, the day of rest and worship for Jews and some Christians. [2 definitions] |
| saber |
a heavy sword with one sharp edge. It is usually curved. |
| saber-toothed tiger |
a large wild cat with very long teeth curving from its upper jaw. Saber-toothed tigers were carnivores that hunted the young of mammoths and other large animals. The last kinds of saber-toothed tigers became extinct over ten thousand years ago. Modern tigers are not related to saber-toothed tigers. |
| sable |
a small mammal with very dark brown fur, a long body, and short legs. Sables live in Europe and Asia and are related to weasels. [4 definitions] |
| sabotage |
secret activity that causes damage to enemy property or causes disturbance to an enemy's operations. [2 definitions] |
| sabre |
a spelling of "saber" used in Canada and Britain. See "saber" for more information. |