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

First Known Use of keep up

15th century



Seen and Heard

What made you want to look up keep up? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to relieve or lessen

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!