| No. | Item | Definition |
|---|---|---|
| 1. | alert | quick to notice and respond |
| 2. | alive to | fully aware of |
| 3. | anticipatory | acting in advance of events |
| 4. | astute | quick to understand situations |
| 5. | at the ready | prepared for immediate action |
| 6. | attentive | paying close attention |
| 7. | attuned | sensitive and responsive |
| 8. | awake | fully aware and attentive |
| 9. | aware | conscious of what is happening |
| 10. | battle-ready | prepared and alert for conflict |
| 11. | canny | shrewdly alert and careful |
| 12. | careful | taking pains to avoid trouble |
| 13. | cautious | careful to avoid risk |
| 14. | chary | cautiously watchful |
| 15. | circumspect | careful and prudent |
| 16. | clear-eyed | seeing situations accurately |
| 17. | clear-headed | thinking clearly and attentively |
| 18. | conscientious | careful and responsible |
| 19. | cool-headed | calm and alert under pressure |
| 20. | crime-aware | alert to criminal risk |
| 21. | danger-aware | aware of possible danger |
| 22. | danger-conscious | mindful of possible danger |
| 23. | defensive | ready to protect against attack |
| 24. | defensively minded | inclined to guard against threats |
| 25. | discerning | showing careful judgment |
| 26. | distrustful | inclined to be wary |
| 27. | eagle-eyed | extremely observant |
| 28. | ever-watchful | always watching carefully |
| 29. | eyes open | watchful and aware |
| 30. | farseeing | planning with future risks in mind |
| 31. | foreseeing | anticipating what may happen |
| 32. | foresighted | thinking ahead carefully |
| 33. | guarded | careful and on one’s guard |
| 34. | guardful | watchful and protective |
| 35. | guarding | watching to protect |
| 36. | hawk-eyed | noticing very small details |
| 37. | hazard-aware | aware of possible hazards |
| 38. | heedful | mindful and paying attention |
| 39. | highly observant | very good at noticing |
| 40. | hyperaware | extremely aware of surroundings |
| 41. | intent | closely focused and attentive |
| 42. | judicious | careful and sensible |
| 43. | keen | highly perceptive and alert |
| 44. | keeping an eye out | watching carefully for something |
| 45. | keeping guard | remaining watchful for danger |
| 46. | keeping watch | staying alert and observing |
| 47. | leery | suspiciously cautious |
| 48. | looking out | watching for possible trouble |
| 49. | looking sharp | appearing alert and attentive |
| 50. | lookout | serving to watch for danger |
| 51. | mindful | carefully aware or attentive |
| 52. | monitoring | carefully watching developments |
| 53. | observant | good at noticing details |
| 54. | on alert | ready and watchful |
| 55. | on duty | actively responsible and attentive |
| 56. | on guard | ready against possible danger |
| 57. | on one’s guard | carefully ready for danger |
| 58. | on one’s toes | mentally alert and ready |
| 59. | on the lookout | watching for something likely |
| 60. | on the qui vive | keenly alert and watchful |
| 61. | on the watch | actively watching for danger |
| 62. | on watch | serving as a lookout |
| 63. | patrolling | watching an area regularly |
| 64. | perceptive | quick to notice things |
| 65. | precautionary | taken to prevent danger |
| 66. | prepared | ready for possible trouble |
| 67. | preventive | aimed at stopping problems early |
| 68. | proactive | acting before problems arise |
| 69. | protective | watchful in guarding someone |
| 70. | prudent | careful and wise |
| 71. | quick-eyed | fast at noticing things |
| 72. | ready | alert and able to act |
| 73. | responsive | quick to react |
| 74. | risk-aware | conscious of possible risks |
| 75. | risk-conscious | mindful of possible risk |
| 76. | safety-minded | careful about safety |
| 77. | security-conscious | careful about safety risks |
| 78. | self-protective | careful to protect oneself |
| 79. | sentinel-like | like a watchful guard |
| 80. | sharp | mentally quick and attentive |
| 81. | standing watch | serving as lookout duty |
| 82. | streetwise | alert to real-world danger |
| 83. | supervisory | watching over people or work |
| 84. | surveillant | engaged in close watching |
| 85. | suspicious | distrustfully watchful |
| 86. | threat-aware | conscious of possible threats |
| 87. | tuned in | aware of what is happening |
| 88. | ultra-alert | extremely alert |
| 89. | unblinking | steady and watchful |
| 90. | unflustered | not easily rattled; alert |
| 91. | unfooled | not easily deceived |
| 92. | unsleeping | never relaxing watchfulness |
| 93. | wakeful | not sleeping and alert |
| 94. | wary | careful about possible danger |
| 95. | watchful | carefully observing for danger or problems |
| 96. | watching | observing closely |
| 97. | watchmanlike | like a careful guard |
| 98. | weather-eyed | alert to changing conditions |
| 99. | wide-awake | fully alert and attentive |
| 100. | wise | showing sound careful judgment |
