| No. | Item | Definition |
|---|---|---|
| 1. | active | physically lively and energetic |
| 2. | adolescent | like a teenager in age or manner |
| 3. | ageless | appearing not to age |
| 4. | alert | quick and lively in mind |
| 5. | animated | full of life and movement |
| 6. | apple-cheeked | rosy and youthfully healthy |
| 7. | artless | simple and unaffected |
| 8. | baby-faced | having a very young face |
| 9. | babyish | childishly young in manner |
| 10. | beardless | young-looking and not fully mature |
| 11. | blooming | radiantly young and healthy |
| 12. | bloomy | fresh and youthful-looking |
| 13. | bouncy | full of lively energy |
| 14. | boyish | having a young male charm |
| 15. | budding | young and developing |
| 16. | callow | inexperienced and immaturely young |
| 17. | carefree | free from adult worries |
| 18. | cherubic | sweet-faced and childlike |
| 19. | childish | immature in a youthful way |
| 20. | childlike | having innocent youthful qualities |
| 21. | clear-skinned | having youthful clear skin |
| 22. | coltish | awkwardly energetic and young |
| 23. | dewy | fresh and youthful-looking |
| 24. | downy | soft and youthful in appearance |
| 25. | ebullient | overflowing with lively enthusiasm |
| 26. | effervescent | bubbly and lively |
| 27. | energetic | full of youthful energy |
| 28. | ever-young | seemingly always young |
| 29. | exuberant | full of youthful excitement |
| 30. | fit | healthy and youthful in body |
| 31. | fresh-eyed | bright-eyed and youthful |
| 32. | fresh-faced | looking young and healthy |
| 33. | frisky | playful and energetic |
| 34. | frolicsome | playful and lively |
| 35. | fun-loving | enjoying playful activity |
| 36. | girlish | having a young female quality |
| 37. | glowing | healthy and youthful in appearance |
| 38. | green | young and inexperienced |
| 39. | guileless | innocent and unaffected |
| 40. | hale | healthy and energetic |
| 41. | hearty | robust and energetic |
| 42. | high-spirited | full of lively youthful energy |
| 43. | hip | fashionably youthful |
| 44. | immature | not fully developed emotionally |
| 45. | impish | mischievous in a childlike way |
| 46. | innocent | having youthful simplicity |
| 47. | junior | younger in age or status |
| 48. | juvenile | relating to or like a young person |
| 49. | kidlike | like a child |
| 50. | lighthearted | cheerful and carefree |
| 51. | lissome | gracefully slim and youthful |
| 52. | lively | energetic and full of spirit |
| 53. | mischievous | playfully naughty and youthful |
| 54. | modern | having a fresh young feel |
| 55. | naive | innocently inexperienced |
| 56. | new | fresh and youthful |
| 57. | nubile | young and sexually mature |
| 58. | open-faced | frank and youthful-looking |
| 59. | peppy | energetic and lively |
| 60. | perky | cheerful and lively |
| 61. | playful | lighthearted and full of fun |
| 62. | pubescent | reaching sexual maturity |
| 63. | puppyish | awkwardly young and eager |
| 64. | radiant | bright and youthful-looking |
| 65. | refreshed | made fresh and lively |
| 66. | reinvigorated | given new youthful energy |
| 67. | rejuvenated | made to feel or look younger |
| 68. | rested | fresh and renewed |
| 69. | robust | strong and full of vitality |
| 70. | rosy | healthy and youthful in appearance |
| 71. | round-faced | having a childlike face |
| 72. | schoolboyish | like a young schoolboy |
| 73. | schoolgirlish | like a young schoolgirl |
| 74. | smooth-faced | having a youthful smooth face |
| 75. | smooth-skinned | having young-looking skin |
| 76. | spirited | lively and full of energy |
| 77. | sprightly | lively and energetic |
| 78. | springy | full of bounce and energy |
| 79. | supple | flexible and youthful in body |
| 80. | tender | young and delicate |
| 81. | timeless | not seeming affected by age |
| 82. | trendy | fashionably young in style |
| 83. | unaged | not showing age |
| 84. | undeveloped | not fully grown or mature |
| 85. | unformed | not yet fully developed |
| 86. | unjaded | not worn out by life |
| 87. | unlined | without age lines |
| 88. | unsophisticated | simple and inexperienced |
| 89. | unworldly | not hardened by experience |
| 90. | unwrinkled | without wrinkles; young-looking |
| 91. | vibrant | full of life and energy |
| 92. | vigorous | full of youthful energy |
| 93. | vivacious | attractively lively and animated |
| 94. | wide-eyed | innocent and youthful-looking |
| 95. | winsome | charmingly youthful and appealing |
| 96. | with-it | fashionably aware and youthful |
| 97. | young | having the qualities of youth |
| 98. | youngish | somewhat young in appearance |
| 99. | zestful | full of enthusiasm and energy |
| 100. | zippy | bright, lively, and energetic |
