na-adjective, noun which may take the genitive case particle 'no', noun
purposeless; aimless
Describes actions, behavior, or existence lacking a clear goal or direction. Often used in philosophical or reflective contexts.
He wandered around the town aimlessly.
I grew tired of a purposeless life.
Compound of 無 (mu, 'without') and 目的 (mokuteki, 'purpose'). The exact historical derivation is uncertain, but the word follows a common pattern of negation with 無.