Keep Up (Verb)
Meaning 1
Lengthen or extend in duration or space; "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work".
Classification
Verbs of being, having, spatial relations.
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Meaning 2
Prevent from going to bed at night; "The anticipation of the trip kept the children up all night"; "I kept myself up all night studying for the exam".
Classification
Verbs of grooming, dressing and bodily care.
Meaning 3
Keep in safety and protect from harm, decay, loss, or destruction; "We preserve these archeological findings"; "The old lady could not keep up the building"; "children must be taught to conserve our national heritage"; "The museum curator conserved the ancient manuscripts".
Classification
Verbs of buying, selling, owning.
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Meaning 4
Keep informed; "He kept up on his country's foreign policies".
Classification
Verbs of size, temperature change, intensifying, etc..
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Meaning 5
Maintain a required pace or level; "He could not keep up and dropped out of the race".
Classification
Verbs of fighting, athletic activities.