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Added 9 October 2026

textbook

/ˈtɛkst.bʊk/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about textbook at Wordnik → Where our words come from →

A coursebook, a formal manual of instruction in a specific subject, especially one for use in schools or colleges.

adjective

Of or pertaining to textbooks or their style, especially in being dry and pedagogical; textbooky, textbooklike.
Having the typical characteristics of some class of phenomenon, so that it might be included as an example in a textbook.
textbook case
Done exactly correctly, in an exemplary way that might be described in a textbook.
Well done everyone, the tree fell exactly where we planned. That was textbook.

Origin

From text + book.

From Wiktionary, via Kaikki.org (CC BY-SA)

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