Word.ws English Dictionary

opening book

opening book noun: a book describing chess openings or giving general opening advice.

Noun

opening book (plural opening books)

  1. (literally) A book describing chess openings or giving general opening advice.
  2. (chess engines) A database of openings given to a chess engine to play, either to improve the strength of the engine, to make the engine more interesting to play against, or to create a diversity of games in a chess engine tournament.

Forms of opening book

pluralopening books

Questions about opening book

What does opening book mean?
Opening book means a book describing chess openings or giving general opening advice.
What part of speech is opening book?
Opening book is a noun.
What is the plural of opening book?
The plural of opening book is opening books.

Words near opening book in the dictionary

  1. opening a can of whup ass
  2. opening argument
  3. opening arguments
  4. opening batsman
  5. opening batsmen
  6. opening book
  7. opening books
  8. opening ceremonies
  9. opening ceremony
  10. opening credits
  11. opening doors

Source and license

Adapted from Wiktionary: opening book (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “opening book.” Word.ws, https://word.ws/opening_book. Based on Wiktionary, CC BY-SA 4.0.