Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “tar”


noun [U]     /tɑːr/
ROAD a thick, black substance that is sticky when hot and is used to cover roadsRoad surfaces and features
TOBACCO a black, sticky substance that is produced when tobacco burnsTobacco and smoking
tar verb [T] (present participle tarring, past tense and past participle tarred) to cover something with tarRoad surfaces and features
(Definition of tar noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “tar” in other dictionaries

Word of the Day


to direct the way that a ship, aircraft, etc. will travel, or to find a direction across, along, or over an area of water or land, often by using a map

Word of the Day


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