to persist in anything undertaken; maintain a purpose in spite of difficulty, obstacles, or discouragement; continue steadfastly.

to persist in speech, interrogation, argument, etc.; insist.

to bolster, sustain, or uphold

unflagging faith that had persevered him.

verb

be lazy , give up , idle , leave , quit , stop

verb

be determined , be resolved , be stubborn , carry on , continue , endure , go for broke , go for it * , go on , hang in , hang tough * , hold fast , hold on , keep driving , keep going , keep on , leave no stone unturned , maintain , persist , plug away , press on , proceed , pursue , remain , see it through , stand firm , stay the course , stick with it , hang on , abide , last , prevail , stick