| observing(adjective, attentive) |
| persisting(adjective, persevering) |
| persnickety(adjective, thorough, meticulous, fastidious, painstaking) |
| plodding(adjective, activity, work, labour, multitask) |
| reliable(adjective, certain, careful, resolute, thorough) |
| resolved(adjective, resolute) |
| unfaltering |
| vigilant(adjective, attentive, vigilant) |
| unflinching(adjective, resolute) |
| committed(adjective, work, strain, firmness, resolute) |
| deliberate(adjective, resolute) |
| elaborate(adjective, precise, thorough, meticulous) |
| exact(adjective, thorough, meticulous, painstaking) |
| plugging(adjective, persevering) |
| priggish(adjective, precise, thorough, meticulous, fastidious) |
| productive(adjective, work, strain, firmness, labour) |
| punctual(adjective, thorough, meticulous, painstaking) |
| serious(adjective, thoughtful, resolute, practical, controlled) |
| severe(adjective, strong, powerful, penetrating, fastidious) |
| sharp(adjective, strong, powerful, attentive, penetrating) |