1. In an amateurish manner
   "he performed the piece amateurishly"
   - unprofessionally

Antonym: expertly

• Depokene
• depolarisation
• depolarise
• depolarization
• depolarize
• depoliticise
• depoliticize
• depone
• deponent
• depopulate
• depopulated
• depopulation
• deport
• deportation
• deportee
• deportment
• depose
• deposer
• deposit
• deposit account
• deposit box
• depositary
• deposition
• security system
• sed rate