There are 2 definitions of step in in English:

step in1

1Become involved in a difficult situation, especially in order to help: palace officials asked the government to step in
More example sentences
  • It really is time that city hall stepped in to try and salvage the situation!
  • By Saturday of last week local African Caribbean churches had stepped in to try to calm the situation down.
  • A while ago I was involved in an incident where I stepped in to help someone who was being spat at by a racist.
Synonyms
intervene, intercede, become/get involved, act, take action, take measures, take a hand; mediate, arbitrate, intermediate
1.1Act as a substitute for someone: Lucy stepped in at very short notice to take Joan’s place
More example sentences
  • Neither bothered to turn up and the business editor stepped in to do an admirable job as a late substitute.
  • Blindside flanker Jim Nicholson is out through injury, so natural replacement Duncan Phillips steps in.
See parent entry: step

Definition of step in in:

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Word of the day vituperate
Pronunciation: vəˈt(y)o͞opəˌrāt
verb
blame or insult (someone) in strong language...

There are 2 definitions of step in in English:

step-in2

Line breaks: step-in
Pronunciation: /ˈstɛpɪn
 
/

adjective

[attributive]
Denoting a garment or pair of shoes that is put on by being stepped into and has no need for fastenings: a step-in sports bra step-in shoes
More example sentences
  • First came her feet in elegant high heeled black step-in sandals.
  • The old, slotted cleats and soft leather cycling shoes allowed feet quite a bit of movement, but the newer step-in cleats and more rigid shoes with a heel counter locked feet in one position.

noun

(step-ins) Back to top  
1A pair of step-in shoes; slip-ons.
More example sentences
  • I finally settled on my navy-blue knitted top and well-worn denims paired with my serviceable step-ins.
2 dated , chiefly North American A pair of women’s briefs: pink rayon step-ins combination all-in-one silk vests and step-ins

Definition of step in in: