| No. | Item | Definition |
|---|---|---|
| 1. | abandoned | left behind intentionally or not |
| 2. | aerosol | pressurized spray container |
| 3. | agent | authorized government worker |
| 4. | airline | company that runs flights |
| 5. | airport | place where aircraft operate |
| 6. | alarm | warning signal or alert |
| 7. | ammunition | bullets or shells for guns |
| 8. | arrival | act of coming in |
| 9. | battery | stored source of electrical power |
| 10. | bin | tray for personal items |
| 11. | boarding pass | document allowing entry to a flight |
| 12. | bottle | container with narrow neck |
| 13. | brace | supporting medical device |
| 14. | carry-on | bag kept with the passenger |
| 15. | checked baggage | bag placed in cargo hold |
| 16. | checkpoint | security control area |
| 17. | comply | act according to rules |
| 18. | container | object that holds something |
| 19. | cooperate | work willingly with others |
| 20. | credential | proof of identity or authority |
| 21. | crew | staff operating the aircraft |
| 22. | declare | state officially or openly |
| 23. | departure | act of leaving |
| 24. | detain | hold someone temporarily |
| 25. | detect | discover or notice |
| 26. | detonator | device that triggers explosion |
| 27. | device | piece of equipment |
| 28. | dispatch | send personnel or information |
| 29. | document | official written record |
| 30. | electronic | device using electricity |
| 31. | emergency | serious urgent situation |
| 32. | empty | remove contents from |
| 33. | escort | accompany for supervision |
| 34. | evacuate | move people out safely |
| 35. | exemption | special release from a rule |
| 36. | explosive | substance that can detonate |
| 37. | firearm | gun or similar weapon |
| 38. | flight | journey by aircraft |
| 39. | forged | falsely made or copied |
| 40. | fraudulent | dishonest or fake |
| 41. | gate | departure area for boarding |
| 42. | gel | thick jellylike substance |
| 43. | identification | proof of who someone is |
| 44. | identify | recognize or establish identity |
| 45. | illegal | against the law |
| 46. | incendiary | designed to start fires |
| 47. | infant | very young child |
| 48. | inspection | careful official examination |
| 49. | interpreter | person who translates speech |
| 50. | itinerary | planned travel schedule |
| 51. | knife | cutting tool with blade |
| 52. | laptop | portable computer |
| 53. | liquid | substance that flows freely |
| 54. | luggage | bags used for travel |
| 55. | medication | medicine used for treatment |
| 56. | metal detector | device that senses metal |
| 57. | minor | person under legal adulthood |
| 58. | notice | official warning or information |
| 59. | officer | person with official authority |
| 60. | passenger | person riding on transport |
| 61. | passport | official document for international travel |
| 62. | paste | soft thick mixture |
| 63. | pat-down | physical search over clothing |
| 64. | phone | mobile communication device |
| 65. | powder | fine dry particles |
| 66. | precheck | expedited screening program |
| 67. | proceed | continue forward |
| 68. | random | chosen without a pattern |
| 69. | refuse | say no to something |
| 70. | regulation | official rule |
| 71. | remove | take off or away |
| 72. | report | give official information |
| 73. | reservation | booked travel arrangement |
| 74. | respond | react to a situation |
| 75. | restricted | limited by rules |
| 76. | scan | examine with a device |
| 77. | scanner | machine that examines items |
| 78. | screening | security inspection process |
| 79. | search | look through carefully |
| 80. | security | protection against threats or harm |
| 81. | step aside | move away from the line |
| 82. | surrender | give up something demanded |
| 83. | suspicious | causing doubt or concern |
| 84. | tablet | flat portable computer |
| 85. | tampered | interfered with improperly |
| 86. | terminal | airport building for passengers |
| 87. | threat | possible source of danger |
| 88. | ticket | document for travel entitlement |
| 89. | traveler | person taking a trip |
| 90. | unattended | left without supervision |
| 91. | unauthorized | not officially allowed |
| 92. | verification | confirmation of truth or identity |
| 93. | verify | check that something is true |
| 94. | violation | breaking a rule |
| 95. | wait | stay until something happens |
| 96. | warning | statement of possible danger |
| 97. | weapon | object used to cause harm |
| 98. | wheelchair | chair with wheels for mobility |
| 99. | witness | person who saw an event |
| 100. | x-ray | imaging method using radiation |
