Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “trilogy”


noun [C]     /ˈtrɪlədʒi/
a series of three books, plays, etc with the same characters or subjectTypes of film, play, book etc.Kinds of books
(Definition of trilogy noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “trilogy” in other dictionaries

Word of the Day


willing to give money, help, kindness, etc., especially more than is usual or expected

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