| No. | Item | Definition |
|---|---|---|
| 1. | abrupt | sudden and discourteously brief |
| 2. | absent-minded | forgetful or not paying attention |
| 3. | automatic | done without conscious thought |
| 4. | blind | unaware of obvious facts |
| 5. | blithe | cheerfully unconcerned or careless |
| 6. | blunt | direct without tact or sensitivity |
| 7. | boorish | rude and insensitive |
| 8. | brainless | very foolish or unthinking |
| 9. | brusque | abrupt and somewhat rude |
| 10. | callous | insensitive to others’ suffering |
| 11. | careless | not taking enough care |
| 12. | carelessly cruel | hurtful through lack of care |
| 13. | casual | too relaxed or unconcerned |
| 14. | cavalier | dismissive and carelessly unconcerned |
| 15. | churlish | rude and mean-spirited |
| 16. | clumsy | awkwardly insensitive or careless |
| 17. | coarse | rude or lacking sensitivity |
| 18. | crass | grossly insensitive or stupid |
| 19. | curt | rudely brief in speech |
| 20. | derelict | shamefully neglectful of duty |
| 21. | devil-may-care | carelessly unconcerned about consequences |
| 22. | discourteous | showing bad manners or disrespect |
| 23. | distracted | unable to pay proper attention |
| 24. | flippant | not showing proper seriousness |
| 25. | foolhardy | recklessly bold or rash |
| 26. | foolish | showing poor judgment or sense |
| 27. | glib | smooth but thoughtless or insincere |
| 28. | graceless | lacking tact or social ease |
| 29. | half-baked | poorly planned or thought out |
| 30. | harebrained | foolish and impractical |
| 31. | hasty | done too quickly and carelessly |
| 32. | headlong | rushing forward without caution |
| 33. | headstrong | stubbornly rash or willful |
| 34. | heedless | paying no attention to risks |
| 35. | ill-considered | not wisely or carefully planned |
| 36. | imperceptive | lacking perception or insight |
| 37. | imprudent | lacking good judgment or caution |
| 38. | impulsive | acting suddenly without careful thought |
| 39. | inattentive | not paying careful attention |
| 40. | inconsiderate | not caring about others’ feelings |
| 41. | indifferent | showing no care or concern |
| 42. | indiscreet | careless about what is appropriate |
| 43. | insensitive | unaware of others’ feelings |
| 44. | irresponsible | not acting with proper responsibility |
| 45. | knee-jerk | automatic and unthinking |
| 46. | lax | not strict or careful enough |
| 47. | madcap | recklessly impulsive or foolish |
| 48. | mean | unkind or unfair |
| 49. | mechanical | done without thought or feeling |
| 50. | mindless | done without thought or awareness |
| 51. | misguided | based on bad judgment |
| 52. | misjudged | showing poor judgment |
| 53. | neglectful | failing to give proper care |
| 54. | negligent | failing to take proper care |
| 55. | nonchalant | too casually unconcerned |
| 56. | not thinking | failing to consider properly |
| 57. | oblivious | unaware of what is happening |
| 58. | obtuse | slow to understand feelings or hints |
| 59. | offhand | casual and not carefully considered |
| 60. | overhasty | too quick and poorly considered |
| 61. | perfunctory | done routinely without care |
| 62. | precipitate | done too hastily |
| 63. | premature | done too soon and unwisely |
| 64. | preoccupied | too absorbed to notice others |
| 65. | random | done without plan or thought |
| 66. | rash | acting too hastily and unwisely |
| 67. | reckless | careless about danger or consequences |
| 68. | reflexive | automatic rather than considered |
| 69. | remiss | careless in duty or attention |
| 70. | rude | impolite and inconsiderate |
| 71. | selfish | concerned mainly with oneself |
| 72. | senseless | lacking sense or purpose |
| 73. | shoddy | carelessly made or done |
| 74. | shortsighted | not considering future consequences |
| 75. | silly | showing a lack of good sense |
| 76. | slack | careless or lazy in effort |
| 77. | slapdash | done quickly and carelessly |
| 78. | slipshod | careless and badly done |
| 79. | sloppy | careless and poorly done |
| 80. | stupid | showing very poor judgment |
| 81. | tactless | lacking sensitivity in dealing with others |
| 82. | temerarious | recklessly daring or rash |
| 83. | unaware | not knowing or noticing something |
| 84. | unconcerned | not worried or interested |
| 85. | unconsidered | not carefully thought through |
| 86. | undiplomatic | not tactful or considerate |
| 87. | unguarded | careless in speech or action |
| 88. | unmindful | not aware or considerate |
| 89. | unobservant | not noticing things carefully |
| 90. | unperceptive | not quick to notice or understand |
| 91. | unreasoning | not guided by reason |
| 92. | unreflective | not given to careful thought |
| 93. | unthinking | acting without thought or consideration |
| 94. | wayward | difficult and heedless of guidance |
| 95. | wild | reckless and uncontrolled |
| 96. | willful | stubborn and heedless of advice |
| 97. | without care | done carelessly or inconsiderately |
| 98. | without thinking | done with no prior thought |
| 99. | without thought | done without considering consequences |
| 100. | witless | lacking sense or judgment |