1. acquit — v. declare innocent; perform well
   The jury acquitted him of all charges. He acquitted himself well in the interview.
2. acute — adj. sharp; severe; intense
   He felt an acute pain in his arm.
3. affirm — v. to confirm; assert; declare
   She affirmed her commitment to the project.
4. aplomb — n. confidence composure poise
   She handled the difficult situation with great aplomb.
5. chary — adj. cautiously or suspiciously reluctant to do something
   She was chary of revealing her political opinions in such a volatile environment.
6. divert — v. to redirect; distract; entertain
   The police diverted traffic away from the accident scene.
7. dormant — adj. not active or growing but having the ability to become active
   The volcano has been dormant for centuries, but it could erupt again.
8. dubious — adj. questionable uncertain suspicious
   He made some dubious claims about his past.
9. eloquent — adj. having or showing the ability to use language clearly and effectively
   The politician gave an eloquent speech that moved the audience.
10. elusive — adj. hard to grasp or capture
    The elusive thief was able to evade the police once again.
11. empirical — adj. based on observation or experience rather than theory or pure logic
    The scientist relies on empirical data to form his conclusions.
12. engulf — v. swallow surround overwhelm
    The waves engulfed the small boat.
13. envious — adj. feeling or showing envy
    She felt envious of her friend’s success.
14. equanimity — n. calmness; composure; serenity
    She faced the crisis with remarkable equanimity.
15. equivocal — adj. open to more than one interpretation; ambiguous.
    The politician's response was equivocal, leaving the audience unsure of his true position.
16. eviscerate — v. to disembowel; gut; destroy
    The critic's review completely eviscerated the new movie.
17. exemplary — adj. outstandingly good; serving as a desirable model or example.
    Her exemplary performance in the project earned her a promotion.
18. exhaustive — adj. complete and thorough
    The report was exhaustive and covered every aspect of the issue.
19. exhilarating — adj. incredibly exciting or thrilling
    The roller coaster ride was exhilarating, leaving everyone breathless with excitement.
20. exorbitant — adj. excessive extreme unreasonable
    The prices in that restaurant were exorbitant.
21. explicate — v. explain clarify interpret
    The professor helped to explicate the complex theory.
22. facile — adj. easy; superficial; simplistic
    The solution seemed too facile to be effective.
23. facsimile — n. exact copy; reproduction; duplicate
    He sent a facsimile of the original document.
24. famine — n. a severe shortage of food resulting in widespread hunger
    The prolonged drought led to a severe famine in the region.
25. flammable — adj. easily set on fire
    The warning label clearly states that the liquid inside the container is extremely flammable.
26. folly — n. lack of good sense or judgment; foolishness.
    Building a castle in the middle of the desert was an act of pure folly.
27. forswear — v. renounce abandon give up
    He decided to forswear his old habits.
28. glutton — n. a person who eats and drinks excessively or voraciously
    He's a glutton for seafood, unable to resist every new dish.
29. hapless — adj. unlucky, unfortunate
    The hapless traveler encountered one setback after another during his journey.
30. hardy — adj. strong tough resilient
    The mountain climbers were a hardy group.
31. hypocrisy — n. the practice of claiming to have moral standards or beliefs to which one''s own behavior does not conform
    His actions reveal the hypocrisy of his public statements advocating for environmental preservation.
32. immeasurable — adj. impossible to measure or calculate
    The value of true friendship is immeasurable.
33. implicit — adj. implied; understood; unspoken
    Her silence gave implicit consent.
34. impute — v. to attribute or ascribe (something) to someone or something.
    Many people impute his success to his family's wealth.
35. inapt — adj. inappropriate; unsuitable; inept
    His sarcastic comment was quite inapt for the serious occasion.
36. incise — v. to cut; carve; engrave
    The surgeon had to incise the skin to remove the tumor.
37. incisive — adj. sharp; penetrating; keen
    Her incisive analysis revealed the true problem.
38. inconspicuous — adj. unnoticeable hidden subtle
    He tried to remain inconspicuous in the crowd.
39. incorrigible — adj. hopeless incurable unchangeable
    He was an incorrigible liar.
40. indulgent — adj. lenient; permissive; spoiling
    The indulgent parents spoiled their child.
41. inscrutable — adj. impossible to understand or interpret
    The ancient manuscript was written in an inscrutable language that scholars have yet to decipher.
42. insuperable — adj. impossible to overcome
    The challenges faced by the expedition seemed insuperable, yet they persevered.
43. intrinsic — adj. inherent; essential; built-in
    The intrinsic value of the artwork was immeasurable.
44. intuition — n. the ability to understand something immediately, without the need for conscious reasoning.
    Her intuition told her something was not right with the deal.
45. ken — n. one''s range of knowledge or understanding
    The concept was beyond his ken and left him confused.
46. laconic — adj. using very few words
    His speech was laconic, leaving a lot unsaid.
47. latent — adj. existing but not yet developed or manifest; hidden or concealed
    The virus can remain latent in the body for years without causing symptoms.
48. laudable — adj. Praiseworthy and commendable; admirable
    Her efforts to help the poor were truly laudable.
49. mandate — n. an official order or commission to do something.
    The government issued a mandate requiring the use of masks in public places.
50. mobile — adj. able to move or be moved freely or easily
    The mobile phone has revolutionized the way we communicate.
51. omnipotent — adj. all-powerful supreme unlimited
    Many religions believe in an omnipotent God.
52. omniscient — adj. knowing everything
    The novel is narrated by an omniscient author who knows all the thoughts and feelings of the characters.
53. opulent — adj. Wealthy and luxurious; lavish
    They lived in an opulent mansion.
54. pantomime — N. silent performance; mime; theatrical show
    It's an evening of music, drama and pantomime.
55. pedantic — adj. scholarly academic nitpicking
    His pedantic insistence on grammar annoyed everyone.
56. perilous — adj. full of danger or risk
    The hikers knew they faced a perilous journey through the mountains.
57. perplex — v. confuse; puzzle; bewilder
    The complex instructions perplexed him.
58. persevere — v. to continue doing something or trying to do something even though it is difficult
    Despite numerous setbacks, she continued to persevere with her research.
59. placate — v. to appease; calm; pacify
    He tried to placate the angry crowd with promises.
60. plebian — adj. common ordinary working-class
    He preferred the company of plebian people.
61. polarize — v. divide split separate
    The controversial issue polarized public opinion.
62. preclude — v. to prevent something from happening
    Her injury precluded her from participating in the competition.
63. prerequisite — n. requirement; condition; necessity
    A good education is a prerequisite for success.
64. prestige — n. high status or respect based on qualities or achievements
    The university is known for its academic prestige.
65. prestigious — Adj. having high status; esteemed; renowned
    She works for a highly prestigious law firm.
66. prohibit — v. forbid ban prevent
    The rules prohibit smoking indoors.
67. quail — V. to cower; flinch; shrink
    She quailed at the thought of speaking in public.
68. quash — v. to suppress; annul; crush
    The court decided to quash the conviction.
69. quell — v. to suppress; subdue; calm
    The police were called to quell the riot.
70. rampant — adj. flourishing or spreading unchecked
    Corruption was rampant in the government.
71. rebuttal — n. refutation; counterargument; denial
    His rebuttal of the charges was convincing.
72. reconciliation — n. peace-making; harmony; settlement
    The reconciliation between the two former enemies was celebrated.
73. refute — v. disprove; contradict; rebut
    She was able to refute all the accusations.
74. rejuvenate — v. to make someone or something look or feel younger, fresher, or more lively.
    The vacation to the beach helped to rejuvenate her spirits.
75. reprehensible — Adj. blameworthy; condemnable; shameful
    Mr. Cramer said the violence by anti-government protestors was reprehensible.
76. reproof — n. rebuke; criticism; scolding
    His father's reproof made him realize his mistake.
77. sanction — n. penalty; approval; authorize
    The UN imposed sanctions on the country.
78. sanguine — adj. optimistic; hopeful; confident
    He was sanguine about the outcome.
79. saturate — v. to soak; fill completely; drench
    The rain saturated the ground, turning it into mud.
80. scant — adj. insufficient; meager; limited
    There was a scant amount of evidence to support his claim.
81. self-effacing — adj. modest humble unassuming
    Despite his achievements, he remained remarkably self-effacing.
82. sequester — v. isolate separate confine
    The jury was sequestered during the trial.
83. simper — v. to smile in a silly or affected way
    She tried to play it cool, but couldn't help but simper at the compliment.
84. skeptic — n. Doubter and cynic; questioner
    He was a skeptic about the new claims.
85. spectrum — n. range; variety; continuum
    The political spectrum covers a wide range of views.
86. sterling — adj. excellent; outstanding; pure
    He has a sterling reputation in the community.
87. subdue — v. to bring under control, to conquer
    The king sought to subdue the rebellious province.
88. succinct — adj. Brief and concise; pithy
    The speaker gave a succinct overview of the plan.
89. surly — adj. rude; bad-tempered; gruff
    The waiter was rather surly.
90. thrive — v. flourish; prosper; succeed
    The business continued to thrive despite the economic downturn.
91. transitory — adj. temporary; fleeting; brief
    Life is by nature transitory.
92. truism — n. obvious truth; platitude; cliché
    "Time heals all wounds" is a common truism.
93. unfathomable — adj. difficult or impossible to understand
    The vastness of the universe is truly unfathomable.
94. uniform — adj. Consistent and standard; identical
    The students wore uniform school clothes.
95. unscrupulous — adj. dishonest; unprincipled; corrupt
    He was an unscrupulous businessman who would do anything for profit.
96. vacillate — v. waver; hesitate; fluctuate
    He continued to vacillate between the two options.
97. vapid — adj. dull; boring; lifeless
    The conversation was vapid and uninspiring.
98. visionary — n. prophet innovator dreamer
    Steve Jobs was a true visionary in the tech industry.
99. vivify — v. enliven animate energize
    The bright colors helped to vivify the painting.
100. voluble — adj. Fluent and talkative; eloquent
     She was a very voluble speaker, never at a loss for words.

The full Upper list is studied one word at a time: start a Upper Level study session.