booked up
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
Well-read on a particular topic.
Register: slang
Where it’s used:
Used
American English
Examples
[…] 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.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
Extremely knowledgeable in a particular opening as a result of intensive study.
Nghĩa · Tiếng Việt
có kiến thức sâu về một chủ đề nhất định nhờ nghiên cứu chuyên sâu
Machine-translated — suggest a fix
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “booked up” mean?
Well-read on a particular topic.
Is “booked up” formal or informal?
booked up is generally slang.