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keep up - definition and synonyms

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phrasal verb
Word Forms
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present tense
I/you/we/theykeep up
he/she/itkeeps up
present participlekeeping up
past tensekept up
past participlekept up
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  1. 1
    [transitive] to continue to do something
    We’re on a winning streak – hopefully we can keep it up.
    Keep up the good work.
    The unions continued to keep up pressure for higher wages.
    1. a.
      to continue to pretend that something is true
      She tried to appear cheerful but couldn’t keep it up.
      His family kept up the pretense that he had been sick.
  2. 2
    [intransitive] to move at the same speed as someone or something
    Try to keep up!
    keep up with someone: He had to hurry to keep up with her.
    1. a.
      to make progress or learn at the same speed as someone or something
      By studying hard she managed to keep up.
      keep up with someone: We always try to keep up with our competitors.
  3. 3
    [intransitive] to continue to learn about something or find out about something, so that you know the latest things that are happening
    keep up with: We try to keep up with what’s happening.
  4. 4
    [intransitive] to continue to understand what someone is saying
    I told you she’s my sister, not my girlfriend. Keep up!
    keep up with: I found myself unable to keep up with the conversation.
  5. 5
    [transitive]keep someone up to prevent someone from going to bed
    It’s late. I’d better not keep you up any longer.
See also main entry: keep

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