spool up
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
To wind up onto a spool.
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
To increase in rotational speed, producing an increase in thrust.
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
To be brought into full operation; to reach full potential or capacity.
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “spool up” mean?
To wind up onto a spool.
Is “spool up” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.