Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “worm”


noun [C]     /wɜːm/
ANIMAL B2 a small creature with a long , thin , soft body and no legs → See also a can of wormsWorms, snails, slugs and similar animals
COMPUTER a computer program that can send copies of itself to other computers and is designed to prevent the computers from working normally Computer programming and software
(Definition of worm noun from the Cambridge Learner's Dictionary © Cambridge University Press)

More Learner's Dictionary definitions for “worm”

Definitions of “worm” in other dictionaries

Word of the Day


to mix eggs with a little milk and mix again as they are being fried

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