keep up

British  

verb

1. (tr) to maintain (prices, one's morale) at the present level

2. (intr) to maintain a pace or rate set by another

3. to remain informed

   to keep up with technological developments

4. (tr) to maintain in good condition

5. (tr) to hinder (a person) from going to bed at night

   the excitement kept the children up well past their bedtime

6. to continue a good performance

7. to keep cheerful under difficult circumstances

8. to maintain one's stance or position against opposition or misfortune

9. to remain in contact with, esp by letter

10. informal to compete with one's neighbours in material possessions, etc

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keep up Idioms  

1. Also, keep up with . Proceed at the same pace, continue alongside another, as in We try to keep up with the times . [First half of 1600s] This usage, also put as keep pace , appears in the phrase keeping up with the Joneses , which was coined in 1913 by cartoonist Arthur R. Momand for the title of a series in the New York Globe . It means “trying to match the lifestyle of one's more affluent neighbors or acquaintances.” For example, Their buying a new van is just another attempt to keep up with the Joneses .

2. Support, sustain, as in They're trying to keep up their spirits while they wait for news of the crash . [Late 1600s] Also see keep one's chin up .

3. Maintain in good condition, as in Joan really kept up the property . [Mid-1500s] This usage also appears in the idiom keep up appearances , meaning “to maintain a good front, make things look good even if they're not,” as in She was devastated by his bad prognosis but is trying hard to keep up appearances for their children . [Mid-1700s]

4. Persevere, carry on, prolong, as in Keep up the good work , or How long will this noise keep up? [Early 1500s] Also see keep it up .

5. Also, keep up with ; keep up on . Stay in touch, remain informed. For example, Ann and I haven't seen each other since college, but we keep up through our annual Christmas letters , or We subscribe to three papers so as to keep up on current events . [c. 1900]

6. keep someone up . Cause someone to remain out of bed, as in He's keeping up the children beyond their bedtime . [Mid-1700s]

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Example Sentences

Stocks of companies that can grow their dividends over time are going to provide that higher level of income that will keep up with inflation.

From Barron's • May 7, 2026

Some suggest growing support for a stronger military to keep up with current world environments.

From BBC • May 7, 2026

When peer review cannot keep up, questionable work is more likely to slip through.

From Slate • May 3, 2026

As always, the wrong-footed writer struggles to keep up with his “secretive, frequently rude and frankly quite sinister” partner.

From The Wall Street Journal • May 1, 2026

The younger brother is hurrying to keep up, even though his shoelace is untied.

From "The Sea in Winter" by Christine Day

Related Words

• hold on