keep up

verb
Updated on: 6 Dec 2017

Definition of keep up

transitive verb
: to persist or persevere in
  • kept up the good work
; also : maintain, sustain
  • keep standards up
intransitive verb
1 : to keep adequately informed or up-to-date
  • keep up on international affairs
2 : to continue without interruption
  • rain kept up all night
3 : to maintain contact or relations with someone
  • keep up with old friends

Examples of keep up in a Sentence

  1. let's hope that old air conditioner keeps up through this heat wave

  2. kept the house up while the owners were gone

Recent Examples of keep up from the Web

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.

First Known Use of keep up

15th century



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