closed the book on

Verb

close the book on (third-person singular simple present closes the book on, present participle closing the book on, simple past and past participle closed the book on)

1. (idiomatic) To stop worrying about or trying to do something about; to ignore.
   • Roth's continued productivity ensures that we can't yet close the book on his career.2011, David Gooblar, The Major Phases of Philip Roth, page 157
2. (idiomatic) To finish; to bring to an end.
   • We do not presume that our reconstruction will close the book on the evolutionary origins of great ape cognition.2007, Anne E. Russon, David R. Begun, The Evolution of Thought