Definition of keep up
- keep up on international affairs
- rain kept up all night
- keep up with old friends
let's hope that old air conditioner keeps up through this heat wave
kept the house up while the owners were gone
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'keep up.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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