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100 Words Every Adult Should Be Able to Define

July 25, 2026

100 Words Every Adult Should Be Able to Define

No. Item Definition
1. accountability responsibility for actions and results
2. addiction compulsive dependence on something
3. algorithm step-by-step problem-solving procedure
4. analysis careful examination of parts
5. anxiety persistent worry or nervousness
6. assumption belief accepted without proof
7. autonomy freedom to make one’s own choices
8. bias unfair preference for one side
9. boundary limit of acceptable behavior
10. civility polite and respectful behavior
11. compromise agreement through mutual concessions
12. conflict serious disagreement or struggle
13. consensus general agreement among a group
14. consent permission given freely and knowingly
15. consequence result or effect of an action
16. context circumstances surrounding an event or idea
17. credibility quality of being believable
18. debt money owed to another
19. democracy government by the people
20. depression serious state of low mood
21. diagnosis identification of a disease
22. discrimination unjust treatment based on group
23. disinformation false information spread deliberately
24. empathy understanding another person’s feelings
25. encryption coding data for security
26. equality same rights, status, or opportunities
27. ethics moral principles guiding behavior
28. evidence facts showing something is true
29. expertise specialized skill or knowledge
30. fallacy faulty reasoning that seems valid
31. forgiveness decision to stop resenting
32. fraud intentional deception for gain
33. gratitude thankfulness
34. harassment repeated unwanted harmful behavior
35. humility modest view of oneself
36. hygiene practices that keep you clean
37. hypocrisy claiming values not actually practiced
38. infection invasion by harmful organisms
39. inference conclusion drawn from evidence
40. inflation general rise in prices
41. initiative ability to act independently
42. integrity honesty and strong moral principles
43. investment money put in for profit
44. irony contrast between expectation and reality
45. justice fair treatment under law or morality
46. liability legal responsibility for harm or debt
47. literacy ability to read and write
48. malware harmful software
49. manipulation controlling someone unfairly or cleverly
50. metaphor figurative comparison without like or as
51. misinformation false information spread unintentionally
52. negligence failure to use proper care
53. numeracy ability to understand numbers
54. nutrition process of getting needed food
55. obligation something one is required to do
56. pandemic disease outbreak across many countries
57. password secret word for access
58. perspective particular way of viewing something
59. phishing tricking users to steal information
60. policy official plan or rule
61. prejudice unfair opinion formed beforehand
62. privacy freedom from unwanted observation
63. privilege special advantage not shared by all
64. quarantine isolation to prevent disease spread
65. recession period of economic decline
66. refugee person fleeing danger or persecution
67. resilience ability to recover from difficulty
68. resource useful supply or source
69. rhetoric language designed to persuade
70. risk chance of harm or loss
71. scarcity short supply of something
72. solidarity unity based on shared interests
73. stereotype oversimplified belief about a group
74. surveillance close monitoring of people or activity
75. sustainability ability to continue without depletion
76. symptom sign of illness
77. theft taking property without permission
78. therapy treatment for mental or physical issues
79. thesis main argument of a work
80. trauma deep emotional or physical injury
81. unemployment state of having no job
82. urgency need for immediate action
83. utility usefulness or practical value
84. vaccine substance that builds immunity
85. validity soundness or legal acceptability
86. variable something likely to change
87. verification confirmation that something is true
88. viability ability to work successfully
89. vulnerable open to harm or attack
90. waiver voluntary surrender of a right
91. warrant legal authorization or justification
92. welfare health, happiness, and well-being
93. workplace place where people work
94. xenophobia fear or dislike of foreigners
95. yearn long strongly for something
96. yield produce or provide a return
97. zeal great energy for a cause
98. zeitgeist spirit of a particular time
99. zenith highest point reached
100. zoning land-use regulation by area

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Related lesson in the course Ability, permission and requests: can, could and be able to Module 05: Modals & conditions · Lesson 1

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