As adjectives the difference between relentless and devoted
is that relentless is unrelenting or unyielding in severity while devoted is vowed; dedicated; consecrated.
As a verb devoted is
(devote).
relentless
English
Adjective
(
en adjective)
Unrelenting or unyielding in severity
Unremitting, steady and persistent
Derived terms
* relentlessness
devoted
English
Adjective
(
en adjective)
Vowed; dedicated; consecrated.
Zealous; characterized by devotion.
(obsolete) cursed; doomed.
Derived terms
* devotedly
* devotedness
Verb
(head)
(devote)