speelless
/ˈspiːlz/ or /ˈspiːləs/Definitions
1. adjective
Without skill or aptitude; unable to do something in a skillful or efficient manner
“She was initially speelless with her new smartphone, taking hours to figure out the simplest tasks.”
2. noun
A person or thing that is without skill or aptitude
“The novice programmer was considered a speelless menace to the team, causing more problems than she solved.”