Dictionary

booked up en · ADJ

Meanings

1. (slang) Well-read on a particular topic.
   • […] and we believe the day is usually the one on which the saint is supposed to have died; but this we cannot affirm, as we are not booked up in Roman sanctology. 1875, Potter's American Monthly, volumes 4-5, page 359:
2. (slang) Extremely knowledgeable in a particular opening as a result of intensive study.
   • This line is not by any stretch of the imagination considered a critical line, but it does take the players out of mainstream theory, where Giri typically is hardcore booked up. 2022 March 11, Carsten Hansen, “2022 FIDE Grand Prix Belgrade Semifinals Day 2: Rapport Magic”, in Chess:
   • Not only that, he managed to get the incredibly well-booked up US-Cuban star out of book on move 8, and then to give checkmate. 2022 July 21, Colin McGourty, “Zagreb GCT 1: Firouzja leads as new chess era begins”, in Chess24:

Forms

booked up en · VERB

Meanings

1. (form-of, participle, past) simple past and past participle of book up
   form of book up