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English definition of “keep up”

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keep up

phrasal verb with keep
 
 
/kiːp/ verb ( past tense and past participle kept)
SAME SPEED B2 to move at the same speed as someone or something that is moving forward so that you stay level with them: She was walking so fast I couldn't keep up with her.Competing and contending (non-sporting)Competing in sport
MAKE PROGRESS to increase or make progress at the same speed as something or someone else so that you stay at the same level as them: Prices have been rising very fast and wages haven't kept up.Competing and contending (non-sporting)Competing in sport
UNDERSTAND B2 to be able to understand or deal with something that is happening or changing very fast: I feel it's important to keep up with current events.Understanding and comprehending
(Definition of keep up from the Cambridge Learners Dictionary © Cambridge University Press)
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