nonpurposeful
adjective
non·pur·pose·ful ˌnän-ˈpər-pəs-fəl 
: not having a purpose : not purposeful
nonpurposeful activity
Example Sentences
Recent Examples on the Web By offering immunity to nonpurposeful mishaps and being nonjudgemental, workers will feel that a heavy burden is lifted off their shoulders. 
Jack Kelly, Forbes, 27 Oct. 2021 Movements that look nonpurposeful, off-kilter or asymmetrical are also worth mentioning to your child’s doctor. Tara Haelle, New York Times, 16 Apr. 2020
Jack Kelly, Forbes, 27 Oct. 2021 Movements that look nonpurposeful, off-kilter or asymmetrical are also worth mentioning to your child’s doctor. Tara Haelle, New York Times, 16 Apr. 2020 Word History
First Known Use
1917, in the meaning defined above