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Keep up
verb
Definitions
Verb
- 1 To maintain; to preserve; to prevent from deteriorating or falling. transitive
"The NRA is pumping groundwater into the River Itchen in Hampshire to keep up its flow and is trying to save three streams, the Tong, the Little Stour and the Dour from going dry this summer."
- 2 prevent from going to bed at night wordnet
- 3 To continue with (work, etc). idiomatic, transitive
"Non obstante the Change of Religion, the Plough-boies, and also the Schooleboies will keep-up and retain their old Ceremonies and Customes and priviledges."
- 4 keep informed wordnet
- 5 To stay even or ahead. idiomatic, intransitive
"They ran so fast I could hardly keep up."
Show 6 more definitions
- 6 maintain a required pace or level wordnet
- 7 To ensure that one remains well-informed about something.
"I always try to keep up with (or "keep up on") current affairs."
- 8 keep in safety and protect from harm, decay, loss, or destruction wordnet
- 9 To prevent someone from going to bed or to sleep
"The crying baby kept me up all night"
- 10 lengthen or extend in duration or space wordnet
- 11 To use capital letters as much as reasonable. obsolete
Etymology
From Middle English kepen up (“to perpetuate, maintain, preserve”), equivalent to keep + up.
See also for "keep up"
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