1. In a crude and unskilled manner
   - crudely, inexpertly 
2. In an ingenuous manner
   "she answered the judge's questions artlessly"
   - ingenuously

See also: artless

• line feed
• line item
• line judge
• line management
• line manager
• line of battle
• line of business
• Line of Control
• line of credit
• line of defence
• line of defense
• line of descent
• line of destiny
• line of duty
• line of fate
• line of fire
• line of flight
• line of force
• line of gab
• line of heart
• line of inquiry
• line of latitude
• line of least resistance
• line of life
• line of longitude