keep up

verb

Definition of keep up

  1. transitive verb
  2. :  to persist or persevere in kept up the good work; also :  maintain, sustain keep standards up

  3. intransitive verb
  4. 1 :  to keep adequately informed or up-to-date keep up on international affairs

  5. 2 :  to continue without interruption rain kept up all night

  6. 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

15th Century

First Known Use of keep up

15th century



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