1. Having or showing knowledge and skill and aptitude
   "a lesser-known but no less skilful composer"; "the effect was achieved by skilful retouching"
   - adept, expert, good, practiced [N. Amer], proficient, skillful [N. Amer], practised [Brit, Cdn] 
2. Done with delicacy and skill
   - nice, skillful [N. Amer]

See also: precise, skilled

• background processing
• background radiation
• background signal
• backgrounder
• backgrounding
• backhand
• backhand drive
• backhand shot
• broken-backed
• broken-down
• broken-field
• brokenhearted
• brokenheartedly
• brokenheartedness
• brokenly
• brokenness
• broker
• broker-dealer
• brokerage
• brokerage account
• brokerage firm
• brokerage house
• broking
• brolga
• brolly