| industrious(adjective, activity, work, strong, strain) |
| assiduous(adjective, activity, work, strain, difficult) |
| diligent(adjective, activity, work, strong, strain) |
| tireless(adjective, work, strain, active, firmness) |
| persevering(adjective, thorough, meticulous, diligent, painstaking) |
| persistent(adjective, diligent) |
| laborious(adjective, work, labour, assiduous, hardworking) |
| busy(adjective, work, strong, active, thoughtful) |
| hard-working(adjective, activity, work, strain, firmness) |
| hardworking(adjective, work, difficult, busy, labour) |
| indefatigable(adjective, activity, untiring) |
| painstaking(adjective, activity, difficult, energetic, vigorous) |
| untiring(adjective, diligent) |
| zealous(adjective, strong, keen, lively, ardent) |
| active(adjective, active, assiduous) |
| conscientious(adjective, work, strain, firmness, thorough) |
| energetic(adjective, work, active, labour, multitask) |
| studious(adjective, thoughtful, serious, attentive, industrious) |
| constant(adjective, diligent) |
| ardent(adjective, strong, passionate, sincere, heartfelt) |