| diligent(adjective, activity, work, strong, keen) |
| assiduous(adjective, activity, work, keen, strain) |
| sedulous(adjective, activity, work, strong, strain) |
| energetic(adjective, work, moving, keen, intense) |
| busy(adjective, work, strong, moving, keen) |
| hard-working(adjective, activity, work, keen, strain) |
| tireless(adjective, work, strong, strain, difficult) |
| laborious(adjective, work, labour, hardworking, multitask) |
| active(adjective, activity, strong, moving, keen) |
| hardworking(adjective, work, difficult, energetic, daring) |
| conscientious(adjective, work, strain, firmness, thorough) |
| workaholic |
| zealous(adjective, strong, keen, intense, energetic) |
| earnest(adjective, strong, energetic, enthusiastic, determined) |
| ambitious(adjective, work, ability, energetic, determined) |
| persevering(adjective, keen, difficult, intense, energetic) |
| eager(adjective, strong, keen, intense, energetic) |
| indefatigable(adjective, activity, strong, difficult, energetic) |
| persistent(adjective, perseverance, hardworking) |
| dynamic(adjective, strong, keen, intense, energetic) |