step in
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
To act as a replacement or substitute.
Where it’s used:
Used
American English
Examples
McCoist unexpectedly ushered back a defender of his own with Kirk Broadfoot taking over from Steven Whittaker. There was, of course, another change, Kyle Bartley stepping in at centre-half to replace suspended Dorin Goian.
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
To get involved; to act.
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “step in” mean?
To act as a replacement or substitute.
Is “step in” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.