Synonym: haunting, lasting, relentless, unrelenting. Similar words: consistent, consistently, persist, subsistence, listen to, distention, sister, listen. Meaning: [pər'sɪstənt /pə-] 
adj. 1. never-ceasing 2. continually recurring to the mind 3. retained; not shed.
adj. 1. never-ceasing 2. continually recurring to the mind 3. retained; not shed. 181, His persistent antagonism caused his wife to be alienated from him.
182, She had been astonishingly persistent . So earnest an effort was well deserving of a better reward.
183, His persistent attempts to complain to his superiors were blocked and ignored.
More similar words: consistent, consistently, persist, subsistence, listen to, distention, sister, listen, unassisted, glisten, distend, listener, glistening, ostentatious, catharsis, Persian, version, ever since, aversion, oversight, diversity, adversity, university, conversion, biodiversity, controversial, subsist, assist, desist, insist.