| powerful(adjective, strong, moving, lively, active) |
| prolific(adjective, vigorous) |
| scrupulous(adjective, thorough, meticulous, painstaking) |
| stirring(adjective, moving, energetic, active, vigorous) |
| strong(adjective, moving, lively, active, vigorous) |
| tenacious |
| unfailing |
| unremitting |
| working(adjective, lively, active, busy, occupied) |
| zippy(adjective, strong, moving, energetic, lively) |
| attentive(adjective, active, careful, thoughtful, fixed) |
| unfaltering |
| aspiring(adjective, energetic, enthusiastic, determined, earnest) |
| ball of fire(expression, adjective, idiom, strong, energetic) |
| businesslike(adjective, activity, efficient, professional) |
| climbing(adjective, energetic, enthusiastic, determined, earnest) |
| conscionable(adjective, thorough, meticulous, painstaking) |
| daring(adjective, keen, intense, energetic, lively) |
| devoted(adjective, strong, passionate, ardent, sincere) |
| driving(adjective, strong, energetic, enthusiastic, lively) |