kick in - definition and synonyms

phrasal verb
present tense
I/you/we/theykick in
he/she/itkicks in
present participlekicking in
past tensekicked in
past participlekicked in
  1. 1
    [intransitive] informal to start to have an effect

    The medicine took some time to kick in.

    The new rules kicked in last year.

     Synonyms and related words
  2. 2
    [intransitive/transitive] American to give something, especially money

    Sweden has kicked in about $10 million a year since 1993.

  3. 3
    kick someone’s face/teeth/head in to hurt someone badly by kicking them

    The hoodlums kicked Jones’s teeth in before making off with his money.

  4. 4
    kick the door in to break a door by kicking it

    When the police came, they had to kick the door in to get into the flat.

See also main entry: kick