on book

adverb

Referencing a script; not recited from memory.

Opposite
off book
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Meanings

adverbon book (not comparable)
  1. not comparableuncommonentertainmentReferencing a script; not recited from memory.

    Antonyms: off book

Synonyms & antonyms

adverbReferencing a script; not recited from memory.

Opposite
off book
Cite this entry
APA

on book. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/on%20book

MLA

“on book.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/on%20book. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “on book,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/on%20book.

Source: on book on Wiktionary, CC BY-SA 4.0.