Dictionary
2 ENTRIES FOUND:

step in

intransitive verb

Definition of STEP IN

1
a :  to intervene in an affair or dispute
b :  to act as a replacement
2
:  to make a brief informal visit

Examples of STEP IN

  1. <I just stepped in to say hi on my way to class.>
  2. <couldn't find anyone to step in for me so that I could take a break from my caregiving duties>

First Known Use of STEP IN

15th century

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March 30, 2015
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