1. With indefatigable energy
   "she watched the show indefatigably"
   - tirelessly, inexhaustibly, unflaggingly

See also: indefatigable

• appendicularia
• appendix
• Appenzeller
• apperceive
• apperception
• apperceptive
• appertain
• appetence
• appetency
• appetent
• appetiser
• appetising
• appetisingness
• appetite
• appetite suppressant
• appetitive
• appetizer
• appetizing
• appetizingness
• Appian Way
• applaud
• applaudable
• applauder
• applause
• apple