1. Characterized by effort to the point of exhaustion; especially physical effort
   - arduous, backbreaking, grueling [US], gruelling [Brit, Cdn], hard, heavy, laborious, punishing, toilsome

See also: effortful, operoseness

• handwriting expert
• handwritten
• handy
• handyman
• hang
• hang around
• hang back
• hang by a hair
• hang by a thread
• hang glide
• hang glider
• hang gliding
• hang in
• hang on
• hang together
• hang-up
• hangar
• hangar queen
• hangbird
• Hangchow
• hangdog
• hanger
• hanger-on
• hangi
• hanging