purposeless
Some people see purposelessness or a lack of meaning in life.
She had a sense of purposelessness after giving up her job.
It is a culture of haste and purposelessness.

SMART Vocabulary: related words and phrases

Useless and futile
adrift
aimless
aimlessly
aimlessness
airy-fairy
fruitless
fruitlessly
fruitlessness
futile
futilely
negate
negation
no goodidiom
non-viable
nugatory
unrealistic
unrealistically
unseriousness
until you are blue in the faceidiom
unviability