booked up



booked up (comparative more booked up, superlative most booked up)

  1. (slang) Well-read on a particular topic.
    • 1875, Potter's American Monthly, volume 4-5, page 359:
      [] 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.
  2. (chess, slang) Extremely knowledgable in a particular opening as a result of intensive study.
    • 2022 March 11, Carsten Hansen, “2022 FIDE Grand Prix Belgrade Semifinals Day 2: Rapport Magic”, in Chess[1]:
      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 July 21, Colin McGourty, “Zagreb GCT 1: Firouzja leads as new chess era begins”, in Chess24[2]:
      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.


booked up

  1. simple past tense and past participle of book up