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to keep up

to keep up

35 3.0
To take care of something so it stays in good condition
  • phrasal verb
  • /kip ʌp/
: mantener
  • It's essential to keep up your car's maintenance to avoid expensive repairs later.
  • keep up to date

To this day she is keeping up this lie.

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Examples

Synonyms

to keep
vsto keep up
∞ 1.0

To continue doing something or stay in the same state

aims to preserve condition and prevent decay rather than just holding or continuing
to preserve
vsto keep up
504 3.4

To keep people and things safe from harm or change

applies active care and repairs instead of leaving things unchanged
to keep safe
vsto keep up
375 1.8

To protect people or things from danger

focuses on long term condition and preventing decay rather than only safety
to maintain
vsto keep up
103 3.1

Keep something in good condition by repairing and protecting it

also protects against harm and loss beyond routine repairs
to conserve
vsto keep up
73 3.4

Protect something from harm or waste by using it carefully

relies more on active repairs and condition care than on saving resources

Antonyms

189 3.8

Fail to care for someone or something you should look after

130 5.9

To get worse in quality, condition, or value

How Maintained

to preserve
504 3.4
to keep up
35 3.0
to tend
162 1.0
to restore
261 3.5
neglect
94 3.5

Surface Forms

keep up infinitive
keeping up present participle
keeps up third person singular
kept up past
kept up past participle

Morphology

keep + up

The meaning 'to continue or maintain the same level' is directly derivable from combining 'keep' (to continue or retain) with 'up' (indicating a maintained or higher position/state). This compositional motion/continuation sense is a common phrasal-verb pattern and has clear cross-linguistic parallels, so a B1 learner who knows both constituents can reasonably infer the meaning.

Etymology

Keep up for caring for things may come from the image of using posts to keep a roof up so it does not fall, so it means 'to keep in good condition'.