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

Antonym: expertly

• mind-altering drug
• mind-bending
• mind-blowing
• mind-boggling
• mind-expanding
• mind-numbing
• Mindanao
• minded
• Minden
• minder
• mindful
• mindfully
• mindfulness
• mindless
• mindlessly
• mindlessness
• Mindoro
• mindset
• mine
• mine detector
• mine disposal
• mine pig
• mine run
• mined
• minefield