Definition of kick in in English:

kick in

Come into effect or operation: the hospital’s emergency generators kicked in
More example sentences
  • I think the medication is finally kicking in and that was what I was waiting for.
  • She put her terror to one side as her professional training kicked in and she provided emergency care.
  • He is soon feeling sick and unhappy as the effects of his high fat diet kick in.
See parent entry: kick

Definition of kick in in: