sourcebook
noun
source·book
ˈsȯrs-ˌbu̇k 
: a fundamental document or record (as of history, literature, art, or religion) on which subsequent writings, compositions, opinions, beliefs, or practices are based
also
: a collection of such documents
Examples of sourcebook in a Sentence
Recent Examples on the Web
Because Game Masters tell their own stories, the best RPG sourcebooks give more detail about areas outside the original media.
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Rob Wieland, Forbes.com, 31 July 2025
Beyond the original boxed sets, the company is looking to reprint the adventures, sourcebooks and other elements of the full line for both editions.
—Rob Wieland, Forbes, 25 Nov. 2024
Books like Xanathar's Guide to Everything and Tasha's Cauldron of Everything will be codified and unified by a new sourcebook at some point, but all of it will be compatible with 5th Edition material.
—Kevin Purdy, Ars Technica, 26 Jan. 2024
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Rob Wieland, Forbes.com, 31 July 2025
Beyond the original boxed sets, the company is looking to reprint the adventures, sourcebooks and other elements of the full line for both editions.
—Rob Wieland, Forbes, 25 Nov. 2024
Books like Xanathar's Guide to Everything and Tasha's Cauldron of Everything will be codified and unified by a new sourcebook at some point, but all of it will be compatible with 5th Edition material.
—Kevin Purdy, Ars Technica, 26 Jan. 2024
Cite this Entry
“Sourcebook.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sourcebook. Accessed 31 Oct. 2025.
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