kick in
When something starts working, like when a medicine starts to make you feel better, or when you give some money to help.
Meanings
To begin to have an effect, especially suddenly.
"Wait another twenty minutes for the painkillers to kick in before you decide to take more."
To contribute money, effort, or resources to a shared goal.
"Everyone in the office kicked in a few pounds to buy the manager a leaving gift."
To break something, usually a door, by kicking it.
"The police had to kick the door in to gain access to the property."
The 'start to take effect' sense is very common with medicines, drugs, chemicals, systems, and emotions. The 'contribute money' sense is very informal and common among friends sharing costs. The literal 'break by kicking' sense is less frequent.
Commonly used with
Forms
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Synonyms
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