| No. | Item | Definition |
|---|---|---|
| 1. | accessible | usable by people with disabilities |
| 2. | accurate | correct and precise |
| 3. | addictive | hard to stop using |
| 4. | annoying | causing irritation during use |
| 5. | approachable | easy to start using |
| 6. | awkward | uncomfortable or difficult to use |
| 7. | boring | not interesting or engaging |
| 8. | buggy | full of errors or glitches |
| 9. | calm | quiet and not stressful |
| 10. | cheap | low-quality in feel |
| 11. | clean | neat and uncluttered |
| 12. | clear | easy to understand |
| 13. | clunky | awkward and hard to use |
| 14. | cluttered | too crowded with elements |
| 15. | confusing | hard to understand or navigate |
| 16. | consistent | behaving the same throughout |
| 17. | dated | old-fashioned in look or feel |
| 18. | delightful | bringing pleasure and enjoyment |
| 19. | demanding | requiring much effort or attention |
| 20. | dependable | able to be trusted consistently |
| 21. | direct | straightforward and immediate |
| 22. | discoverable | easy to find features |
| 23. | disjointed | poorly connected or fragmented |
| 24. | distracting | pulling attention away |
| 25. | efficient | works well with little effort |
| 26. | effortless | feeling easy to do |
| 27. | elegant | graceful and effectively designed |
| 28. | empowering | giving users confidence and control |
| 29. | engaging | holds attention and interest |
| 30. | enjoyable | pleasant and fun to use |
| 31. | error-prone | likely to cause mistakes |
| 32. | familiar | comfortably recognizable |
| 33. | fast | quick in speed or response |
| 34. | flexible | adapting to different needs |
| 35. | fluid | moving smoothly from step to step |
| 36. | forgiving | easy to recover from mistakes |
| 37. | frictionless | requiring little effort or resistance |
| 38. | friendly | warm and easy to approach |
| 39. | frustrating | causing annoyance or difficulty |
| 40. | frustration-free | without annoying obstacles |
| 41. | functional | working for its intended purpose |
| 42. | generic | lacking unique character |
| 43. | glitchy | having small technical problems |
| 44. | gratifying | giving pleasure or satisfaction |
| 45. | habit-forming | encouraging repeated use |
| 46. | helpful | providing useful support or guidance |
| 47. | honest | clear and not deceptive |
| 48. | human-centered | focused on human needs |
| 49. | immersive | deeply involving and absorbing |
| 50. | inclusive | welcoming many kinds of users |
| 51. | indirect | not straightforward or immediate |
| 52. | innovative | new and creatively useful |
| 53. | instant | happening without delay |
| 54. | intuitive | easy to understand and use |
| 55. | jerky | moving unevenly or abruptly |
| 56. | laggy | slow with noticeable delays |
| 57. | learnable | easy to learn quickly |
| 58. | logical | organized in a sensible way |
| 59. | memorable | easy to remember later |
| 60. | misleading | giving a wrong impression |
| 61. | motivating | encouraging continued action |
| 62. | navigable | easy to move through |
| 63. | noisy | visually or mentally distracting |
| 64. | opaque | hard to understand clearly |
| 65. | overwhelming | too much to process easily |
| 66. | personalized | tailored to the individual |
| 67. | playful | lighthearted and lively |
| 68. | pleasant | nice and enjoyable to use |
| 69. | polished | refined and well finished |
| 70. | predictable | behaving in expected ways |
| 71. | productive | helping users accomplish more |
| 72. | professional | serious and well presented |
| 73. | readable | easy to read clearly |
| 74. | reassuring | making users feel confident |
| 75. | refined | carefully improved and polished |
| 76. | relevant | matching user needs well |
| 77. | reliable | works consistently as expected |
| 78. | responsive | quick to react or load |
| 79. | rewarding | feeling worthwhile and positive |
| 80. | rigid | not easy to change |
| 81. | satisfying | pleasant and fulfilling to use |
| 82. | seamless | smooth and without interruptions |
| 83. | secure | protecting data and privacy |
| 84. | simple | not complicated or cluttered |
| 85. | slow | taking too much time |
| 86. | smooth | easy and free of friction |
| 87. | snappy | very quick and lively |
| 88. | stable | not crashing or failing |
| 89. | thoughtful | carefully designed for users |
| 90. | time-saving | reducing time needed |
| 91. | transparent | open and easy to follow |
| 92. | trustworthy | deserving user confidence |
| 93. | unfamiliar | not known or recognizable |
| 94. | unpredictable | behaving in surprising ways |
| 95. | unsafe | feeling risky or unprotected |
| 96. | usable | able to be used effectively |
| 97. | useful | serving a practical purpose |
| 98. | user-friendly | easy and pleasant to use |
| 99. | valuable | worth users’ time and attention |
| 100. | welcoming | making users feel comfortable |
