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trilogy

American  
[tril-uh-jee] / ˈtrɪl ə dʒi /

noun

plural

trilogies
  1. a series or group of three plays, novels, operas, etc., that, although individually complete, are closely related in theme, sequence, or the like.

  2. (in ancient Greek drama) a series of three complete and usually related tragedies performed at the festival of Dionysus and forming a tetralogy with the satyr play.

  3. a group of three related things.


trilogy British  
/ ˈtrɪlədʒɪ /

noun

  1. a series of three related works, esp in literature, etc

  2. (in ancient Greece) a series of three tragedies performed together at the Dionysian festivals

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of trilogy

From the Greek word trilogía, dating back to 1655–65. See tri-, -logy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He gave her “Red Mars,” the first of the Mars trilogy by Kim Stanley Robinson.

From The Wall Street Journal

Through the first two films in Danny Boyle and Alex Garland’s planned trilogy, the audience comes to know him as a reserved loner who prizes calm.

From Salon

Kennedy’s tenure included the blockbuster sequel trilogy, animated series, and streaming hits.

From Salon

They include the sequel trilogy movies, starring Daisy Ridley and Adam Driver, which broke box office records in the US.

From BBC

Several “Star Wars” projects have been announced over the years with big names attached, only to be delayed or dropped, including a planned trilogy with “Game of Thrones” showrunners David Benioff and D.B.

From Los Angeles Times