Synonyms: preserve, maintain, keep up, conserve
Definition: keep in safety and protect from harm, decay, loss, or destruction
Usage: 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
Similar words: keep
Definition: look after; be the keeper of; have charge of
Usage: He keeps the shop when I am gone
Synonyms: prolong, keep up, sustain
Definition: lengthen or extend in duration or space
Usage: We sustained the diplomatic negotiations as long as possible; prolong the treatment of the patient; keep up the good work
Similar words: preserve, uphold, carry on, bear on, continue
Definition: keep or maintain in unaltered condition; cause to remain or last
Usage: preserve the peace in the family; continue the family tradition; Carry on the old traditions