| diligent(adjective, activity, work, keen, strain) |
| industrious(adjective, activity, work, keen, strain) |
| sedulous(adjective, activity, work, strain, difficult) |
| tireless(adjective, work, strain, active, firmness) |
| careful(adjective, thorough, meticulous, painstaking) |
| painstaking(adjective, activity, complete, energetic, vigorous) |
| hard-working(adjective, activity, work, strain, firmness) |
| laborious(adjective, work, labour, diligent, hardworking) |
| attentive(adjective, deliberate, active, alert, careful) |
| indefatigable(adjective, activity, untiring) |
| persevering(adjective, keen, difficult, intense, energetic) |
| busy(adjective, work, keen, intense, energetic) |
| untiring(adjective, continuous) |
| conscientious(adjective, work, tough, strain, exact) |
| persistent(adjective, determined) |
| scrupulous(adjective, careful, thorough, meticulous, painstaking) |
| active(adjective, activity, keen, smart, difficult) |
| studious(adjective, careful, thoughtful, serious, considerate) |
| unflagging(adjective, persistent, continuous) |
| constant(adjective, diligent) |