Definition of kick in in US English:

kick in

phrasal verb

  • (especially of a device or drug) become activated; come into effect.

    • ‘That's when my imagination kicks in and I begin to visualise shapes, structures and colours.’
    • ‘When the New Year's resolution to lose weight kicks in, gyms and diet clubs often have a sharp rise in membership.’
    • ‘But then you get out there and the adrenaline kicks in and you're away again.’
    • ‘The top band of council tax kicks in when a house is valued at more than £212,000.’
    • ‘There is a British resilience and pragmatism that kicks in when something like this happens.’
    • ‘She put her terror to one side as her professional training kicked in and she provided emergency care.’
    • ‘If you drive into central London there is a big C painted on the road at the point where the congestion charge kicks in.’
    • ‘He is soon feeling sick and unhappy as the effects of his high fat diet kick in.’
    • ‘I think the medication is finally kicking in and that was what I was waiting for.’
    • ‘The Government will only take on claims after the new enterprise liability scheme kicks in.’