clock on
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
To record one's time of arrival at work, traditionally by inserting one's card into a timestamping machine.
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
To begin work at the start of the day or start of one's shift.
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
To grow older; to proceed.
Register: informal
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “clock on” mean?
To record one's time of arrival at work, traditionally by inserting one's card into a timestamping machine.
Is “clock on” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.