| severe(strong, sharp, powerful, penetrating, cutting) |
| sinewy(adjective, strong, sound, tough, solid) |
| springy |
| stable(adjective, strong, sound, tough, solid) |
| stimulated(adjective, good, clear, pleasant, bright) |
| telling(adjective, strong, open, direct, bright) |
| vitalized(adjective, lively, active, vigorous, spirited) |
| wholesome(adjective, good, clear, pleasant, bright) |
| zingy(adjective, enthusiastic, excited, lively, determined) |
| power(noun, strong, active, vigorous, controlling) |
| ablaze(adjective, vigorous) |
| able(adjective, strong, direct, sound, tough) |
| adventurous(adjective, daring, resourceful, innovative, ingenious) |
| affable(adjective, person, warm, enthusiastic, vigorous) |
| agitated(adjective, vigorous, wired) |
| animate(adjective, lively, determined, active, vigorous) |
| assertive(adjective, tough, smart, violent, vigorous) |
| astir(adjective, moving, active, vigorous, cheerful) |
| audacious(adjective, determined, daring, forceful, resourceful) |
| ball of fire(expression, adjective, idiom, strong, tough) |