As adjectives the difference between jaded and cynic
is that
jaded is worn out, wearied, exhausted or lacking enthusiasm, due to age or experience while
cynic is cynical (in all senses.
As a verb jaded
is past tense of jade.
As a noun cynic is
a person who believes that all people are motivated by selfishness.
As a proper noun Cynic is
a member of a sect of Ancient Greek philosophers who believed virtue to be the only good and self-control to be the only means of achieving virtue.