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Definition of duology
duology
/duːˈɑː.lə.dʒi/
du · ol · o · gy
Plural:duologies
duology Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
4
duology Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A series of two related artistic, literary, or dramatic works, such as novels, films, or video games, that develop a single theme or continuous narrative.
Example
"The fantasy author originally planned the story as a standalone novel before expanding it into a bestselling duology."
Synonyms
View all synonyms for duologyWord Nuance & Usage
While 'dilogy' is the traditional Greek-derived term for a two-part work, 'duology' has become the dominant term in modern publishing and popular culture, formed by analogy with 'trilogy'.
• Rhymes for duology
• Nearby Words
Word Origin & Etymology
Coined in the 19th century as a hybrid word combining the Latin prefix 'duo-' (two) with the Greek suffix '-logia' (discourse or work), modeled directly after 'trilogy'.
Cite this Entry
Wordmom. (2026). Definition of Duology. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/duology