S: (v) continue, uphold, carry on, bear on, preserve (keep or maintain in unaltered condition; cause to remain or last) "preserve the peace in the family"; "continue the family tradition"; "Carry on the old traditions"
S: (v) obstinate (persist stubbornly) "he obstinates himself against all rational arguments"
S: (v) ask for it, ask for trouble (persist with actions or an attitude despite the probability that it will cause trouble) "He is asking for trouble with his behavior"
S: (v) plug, plug away (persist in working hard) "Students must plug away at this problem"
S: (v) prolong, sustain, keep up (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"
S: (v) retain, continue, keep, keep on (allow to remain in a place or position or maintain a property or feature) "We cannot continue several servants any longer"; "She retains a lawyer"; "The family's fortune waned and they could not keep their household staff"; "Our grant has run out and we cannot keep you on"; "We kept the work going as long as we could"; "She retained her composure"; "this garment retains its shape even after many washings"
S: (v) mummify (preserve while making lifeless) "mummified ideas and institutions should be gotten rid of"
S: (v) conserve, preserve, maintain, keep up (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"
S: (v) save, preserve (to keep up and reserve for personal or special use) "She saved the old family photographs in a drawer"
S: (v) protect (shield from danger, injury, destruction, or damage) "Weatherbeater protects your roof from the rain"
S: (v) defend (be on the defensive; act against an attack)
S: (v) prevent, keep (stop (someone or something) from doing something or being in a certain state) "We must prevent the cancer from spreading"; "His snoring kept me from falling asleep"; "Keep the child from eating the marbles"