| pythonic(adjective, big, giant) |
| sinewy(adjective, strong, strength, solid, brawny) |
| strapping(adjective, strong, strength, solid, vigorous) |
| troublesome(adjective, tough, severe, difficulty, rough) |
| vigorous(adjective, strong, powerful, sturdy, robust) |
| walloping(adjective, informal, big) |
| whopping(adjective, slang, big) |
| Bunyanesque(adjective, big, giant) |
| able-bodied(strength, vigorous, sturdy, robust, brawny) |
| athletic(strength, vigorous, sturdy, robust, brawny) |
| backbreaking(adjective, strong, hard, rough, difficult) |
| burdensome(adjective, tough, severe, difficult, awkward) |
| demanding(adjective, tough, severe, rough, difficult) |
| effortful(adjective, tough, severe, difficult, awkward) |
| elaborate |
| exacting(adjective, tough, severe, rough, difficult) |
| exhausting(adjective, tough, rough, difficult, heavy) |
| forceful(adjective, strong, powerful) |
| gymnastic(adjective, exertion) |
| immeasurable(adjective, huge, vast, copious) |