A world-weary person no longer feels excited or enthusiastic about anything.
world-weary in British English
adjective
no longer finding pleasure in living; tired of the world
Derived forms
world-weariness (ˈworld-ˌweariness)
noun
world-weary in American English
(ˈwɜrldˌwɪri)
adjective
weary of the world; bored with living
Examples of 'world-weary' in a sentence
world-weary
How can opposition parties challenge these world-weary sighs?
Times, Sunday Times (2007)
He was also an effective singer with an appealing, world-weary voice and a potent songwriter with an influence that extended far beyond the realm of folk.