wistful

As adjectives the difference between wistful and contemplative

is that wistful is full of yearning or longing while contemplative is inclined to contemplate; introspective and thoughtful; meditative.

As a noun contemplative is

someone who has dedicated themselves to religious contemplation.

As adjectives the difference between wistful and sullen

is that wistful is full of yearning or longing while sullen is having a brooding ill temper; sulky.

As a noun sullen is

one who is solitary, or lives alone; a hermit.

As a verb brooded

is past tense of brood.

As an adjective wistful is

full of yearning or longing.

As a noun brood

is the young of certain animals, especially a group of young birds or fowl hatched at one time by the same mother.

As a verb brood

is to keep an egg warm to make it hatch.

As an adjective wistful is

full of yearning or longing.

As adjectives the difference between wistful and unwistful

is that wistful is full of yearning or longing while unwistful is not wistful.