die hard Synonyms

endure persist continue fight on be hard to get rid of be hard to end be difficult to stop be difficult to get rid of be difficult to end die resisting be relentless be steadfast be unyielding be immovable be tenacious be hard to stop change very slowly be dogged be resolute not back down not give up refuse to quit stick with it see it through be unwavering battle on remain steadfast disappear very slowly be persistent be determined be stubborn repel prevent prevail persevere outlast last hold forgo defy confront combat run survive stay the course rock-ribbed stand firm go the distance keep going hang on