Added 9 October 2026 workbook /ˈwɝk.bʊk/ noun Categories: LanguageRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about workbook at Wordnik → Where our words come from → A student's book or booklet containing problems with spaces for solving them. Origin From work + book. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: worksheettextbookhandbookfiledocumentguidebookmanualscrapbooknotebookbookletbinderspecification Back to today's word