| noun | an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products |
| noun | any of various synthetic elastic materials whose properties resemble natural rubber |
| noun | an eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil |
| noun | contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse |
| noun | a waterproof overshoe that protects shoes from water or snow |
| verb | coat or impregnate with rubber “rubberize fabric for rain coats” |
| adjective | returned for lack of funds “a rubber check” |
| rubbery | adjective | having an elastic texture resembling rubber in flexibility or toughness |
| rubber | verb | coat or impregnate with rubber |
| rubberize | verb | coat or impregnate with rubber |
| prophylactic | adjective | capable of preventing conception or impregnation |
| rubber | noun | an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products |