Textual thesaurus for "keep up"

(verb) keep abreast, follow

keep informed

He kept up on his country's foreign policies

(verb) preserve, maintain, conserve

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

(verb) prolong, sustain

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