| No. | Term | Definition |
|---|---|---|
| 1. | Acceleration | Rate of increasing speed or activity. |
| 2. | Action | Doing something; active effort. |
| 3. | Activity | State of being busy or active. |
| 4. | Adrenaline | Hormone linked to heightened drive. |
| 5. | Aether | Mythic all-pervading vital essence. |
| 6. | Agility | Quick, energetic movement and response. |
| 7. | Alacrity | Eager, lively readiness to act. |
| 8. | Ampere | Unit of electric current. |
| 9. | Animation | Liveliness; being full of life. |
| 10. | Ardor | Intense enthusiasm or passion. |
| 11. | Battery power | Stored electrical power in batteries. |
| 12. | Beam | Directed stream of light or radiation. |
| 13. | Brawn | Physical strength and muscle power. |
| 14. | Brio | Vigorous, joyful liveliness. |
| 15. | Buzz | Excited activity or lively talk. |
| 16. | Calorie | Unit of heat from food. |
| 17. | Capacity | Ability to do work or produce output. |
| 18. | Charge | Stored electrical potential. |
| 19. | Chemistry | Interacting forces producing lively effects. |
| 20. | Chutzpah | Boldness with vigorous confidence. |
| 21. | Current | Flow of electricity. |
| 22. | Daring | Bold willingness to take risks. |
| 23. | Drive | Inner motivation to act. |
| 24. | Dynamism | Forceful, energetic drive and activity. |
| 25. | Eagerness | Keen readiness and enthusiasm. |
| 26. | Ebullience | Cheerful, overflowing high spirits. |
| 27. | Effervescence | Lively bubbling; vivaciousness. |
| 28. | Effort | Physical or mental exertion. |
| 29. | Elasticity | Ability to rebound with force. |
| 30. | Electricity | Power from electric charge flow. |
| 31. | Endurance | Ability to sustain effort over time. |
| 32. | Enthusiasm | Strong excitement and interest. |
| 33. | Exertion | Use of physical or mental effort. |
| 34. | Fire | Combustion; intense burning force. |
| 35. | Firepower | Strength of force or output. |
| 36. | Force | Influence that causes motion or change. |
| 37. | Fortitude | Strength to face difficulty. |
| 38. | Frenzy | Wild, intense activity. |
| 39. | Fuel | Material burned to produce power. |
| 40. | Gait | Manner of moving; pace. |
| 41. | Galvanism | Electric stimulation; arousing influence. |
| 42. | Gas | Fuel used to power engines. |
| 43. | Get-up-and-go | Lively initiative and vigor. |
| 44. | Gumption | Practical initiative and spiritedness. |
| 45. | Heat | Thermal power; warmth. |
| 46. | Hustle | Energetic activity; quick movement. |
| 47. | Impetus | Driving force that starts action. |
| 48. | Impulsion | Sudden urge to act. |
| 49. | Intensity | High degree of force or strength. |
| 50. | Jolt | Sudden shock that spurs action. |
| 51. | Joy | Bright, uplifting feeling. |
| 52. | Juice | Informal: power or vitality. |
| 53. | Keeness | Sharp, lively enthusiasm. |
| 54. | Kick | Stimulating effect; extra push. |
| 55. | Kinetic power | Power of motion. |
| 56. | Life force | Vital power sustaining life. |
| 57. | Liveliness | Full of spirit and activity. |
| 58. | Luster | Brightness; gleam. |
| 59. | Metabolism | Body processes producing usable power. |
| 60. | Mettle | Courageous spirit and resilience. |
| 61. | Might | Great strength or power. |
| 62. | Momentum | Force gained by moving mass. |
| 63. | Motion | Movement; act of moving. |
| 64. | Motivation | Reason or drive to act. |
| 65. | Motor power | Power produced by a motor. |
| 66. | Nerve | Boldness; courage to act. |
| 67. | Oomph | Extra force, vigor, or punch. |
| 68. | Output | Amount of power produced. |
| 69. | Pep | Lively energy and vigor. |
| 70. | Perkiness | Cheerful, lively alertness. |
| 71. | Phosphorescence | Cold light from stored excitation. |
| 72. | Power | Ability to do work or act. |
| 73. | Prana | Hindu concept of vital breath. |
| 74. | Prowess | Great skill and strength. |
| 75. | Push | Forceful effort to move forward. |
| 76. | Radiance | Bright shining light. |
| 77. | Radiation | Emission of energy as waves. |
| 78. | Resilience | Ability to recover strength quickly. |
| 79. | Resolve | Firm determination; inner strength. |
| 80. | Resourcefulness | Ability to act effectively under strain. |
| 81. | Rigor | Strictness; intensity of effort. |
| 82. | Sass | Lively boldness; cheeky spirit. |
| 83. | Spark | Small flash; trigger for action. |
| 84. | Sparkle | Lively brightness or wit. |
| 85. | Spirit | Liveliness; inner vitality. |
| 86. | Spunk | Courageous, lively determination. |
| 87. | Stamina | Sustained strength and endurance. |
| 88. | Steam | Pressurized vapor used for power. |
| 89. | Strength | Physical or mental power. |
| 90. | Surge | Sudden powerful increase. |
| 91. | Tension | Strained force; electrical potential. |
| 92. | Thrust | Forceful push forward. |
| 93. | Tirelessness | Ability to keep going without fatigue. |
| 94. | Torque | Twisting force that causes rotation. |
| 95. | Turbulence | Violent, unsteady movement. |
| 96. | Umpf | Extra force or emphasis. |
| 97. | Upbeatness | Positive, lively mood. |
| 98. | Urgency | Pressing need to act quickly. |
| 99. | Vapor | Gas phase; steam-like fuel. |
| 100. | Verve | Vigorous spirit and enthusiasm. |

