persist

1 to continue despite difficulties, opposition, or discouragement <she persisted in her efforts and eventually got the job she wanted> Synonyms carry on, persevereRelated Words dig in, hang on, keep up; follow through (with); knuckle downNear Antonyms give up, knock off, quit; bow, give in, submit, succumb, surrender, yield; falter, hang back, hesitate, shilly-shally, vacillate, waver, wobble (also wabble)

2 to remain indefinitely in existence or in the same state <my headache persisted for almost the entire day> Synonyms abide, bide, endure, hold on, hold up, keep up, last, perdure, continue, remain, run onRelated Words linger, stay, stick around, tarry; carry through, prevail, surviveNear Antonyms abate, die (down), ebb, let up, moderate, subside, waneAntonyms cease, close, conclude, desist, die, discontinue, end, expire, finish, lapse, leave off, pass, quit, stop, terminate, wind up