Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

rubber

noun (SUBSTANCE)
 
 
/ˈrʌb.ər/ US  //

Definition

B2 [U] an elastic substance (= that stretches) made either from the juice of particular tropical trees or artificially: Tyres are almost always made of rubber.Plastics and rubber A2 [C] UK an eraserWriting implements [C] US slang for a condomContraception rubbers [plural] US old-fashioned for overshoesShoes and shoemaking
(Definition of rubber noun (SUBSTANCE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“rubber” in other dictionaries

Word of the Day

bogus

false, not real or not legal

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More