Persist :
asosi
Synonyms :
Continue, Endure, Remain, Hold on
Continue, Endure, Remain, Hold on
English Meaning :
(Verb : Continue to exist)
(Verb : Continue to exist)
Example : if the symptoms persist for more than a few days, contact your doctor
if the symptoms persist for more than a few days, contact your doctor
Persistent :
asosi
Synonyms :
Tenacious, Constant, Chronic, Haunting, Relentless, Lasting, Dogged
Tenacious, Constant, Chronic, Haunting, Relentless, Lasting, Dogged
English Meaning :
(Adjective : )
Example : In terms of pain, however, ‘chronic’ denotes persistent pain over a period of at least three months.
In terms of pain, however, ‘chronic’ denotes persistent pain over a period of at least three months.
Word Example from TV Shows :

You're very PERSISTENT.
The Big Bang Theory Season 10, Episode 8

You're very PERSISTENT.
The Big Bang Theory Season 10, Episode 8
Relentless :
asosi
Synonyms :
Persistent, Harsh, Stern
English Meaning :
(Adjective : )
Example : Consider the shoppers you know who are relentless in their pursuit of a deal.
Consider the shoppers you know who are relentless in their pursuit of a deal.
Word Example from TV Shows :

A RELENTLESS pursuit that only ends
when she falls into your arms...
The Big Bang Theory Season 1, Episode 3

A RELENTLESS pursuit that only ends
when she falls into your arms...
The Big Bang Theory Season 1, Episode 3