1. With vigour; in a vigorous manner
   "he defended his ideas vigorously"
   - smartly

See also: vigorous

• Six Nations
• six times
• Six-Day War
• six-footer
• six-gilled shark
• six-gun
• six-lined racerunner
• six-membered
• six-pointed
• six-shooter
• six-sided
• six-spot
• sixer
• sixfold
• sixpack
• sixpence
• sixpenny
• sixpenny nail
• sixsome
• norfolk island pine
• Norfolk jacket
• Norfolk terrier
• Norfolk wherry
• Norge
• norgestrel