50 Advanced Words Every Adult Should Know
This list of 50 Advanced Words is a gift to my fellow lovers of words from my coach, Terry Brock, a long-time word lover (both written and spoken). Like me, Terry is a member of the grammar patrol and a journalist, and enjoys using this list. How many of these 50 advanced words do you know?
Aberration
Definition: A departure from what is normal or expected; something unusual or atypical.
Example: The extreme heatwave in January was an aberration for the region.
Abstruse
Definition: Difficult to understand; complex and obscure, often used for ideas or language.
Example: His abstruse explanation of quantum mechanics puzzled the entire class.
Alacrity
Definition: Cheerful and eager willingness or readiness to do something. Example: She responded to the invitation with alacrity, excited to join the event.
Anachronistic
Definition: Belonging to a period other than the present; out of place in time.
Example: The presence of smartphones in the 19th-century drama was anachronistic.
Anomaly
Definition: Something that deviates from the expected or normal pattern; an irregularity.
Example: The sudden spike in sales was an anomaly that surprised the marketing team.
Aplomb
Definition: Self-confidence, especially in a challenging situation; composure.
Example: She handled the difficult interview questions with aplomb.
Apocryphal
Definition: Of doubtful authenticity; probably not true, although widely circulated as being true.
Example: The story of the haunted house is likely apocryphal, but locals still share it.
Assiduous
Definition: Showing great care, attention, and perseverance in carrying out a task.
Example: The scientist was assiduous in recording every detail of the experiment.
Beguile
Definition: To charm, enchant, or deceive, sometimes in a misleading way.
Example: The magician tried to beguile the audience with his tricks.
Bellicose
Definition: Demonstrating aggression and willingness to fight; warlike.
Example: His bellicose attitude during the debate made everyone uncomfortable.
Bombastic
Definition: High-sounding but with little meaning; inflated or pretentious.
Example: The politician’s bombastic speech failed to address the real issues.
Cacophony
Definition: A harsh, discordant mixture of sounds.
Example: The city’s streets were filled with the cacophony of traffic and construction.
Capitulate
Definition: To surrender or give in, especially after resistance.
Example: The army had no choice but to capitulate after weeks of fighting.
Cogent
Definition: Clear, logical, and convincing; persuasive.
Example: Her cogent argument convinced the board to approve the proposal.
Conundrum
Definition: A confusing and difficult problem or question.
Example: Deciding which job offer to accept was quite a conundrum for him.
Debacle
Definition: A sudden and complete failure; a fiasco.
Example: The company’s new product launch turned into a debacle when the software crashed.
Deleterious
Definition: Causing harm or damage.
Example: Smoking has a deleterious effect on health.
Demagogue
Definition: A leader who gains support by appealing to emotions and prejudices rather than reason.
Example: The demagogue roused the crowd with passionate but misleading rhetoric.
Didactic
Definition: Intended to teach, often with a moral lesson; instructive.
Example: The didactic tone of the book made it less entertaining but very informative.
Disparate
Definition: Essentially different in kind; not allowing comparison.
Example: Their ideas were so disparate that they struggled to find common ground.
Ebullient
Definition: Cheerful and full of energy; exuberant.
Example: The ebullient host welcomed every guest with a big smile.
Eclectic
Definition: Deriving ideas, style, or taste from a broad and diverse range of sources.
Example: Her music collection is eclectic, including jazz, hip-hop, and classical.
Enervate
Definition: To weaken or drain energy from; to make someone feel tired.
Example: The long, hot day enervated everyone at the picnic.
Ennui
Definition: A feeling of boredom or listlessness due to lack of excitement.
Example: After weeks of doing nothing, he was overcome with ennui.
Esoteric
Definition: Intended for or likely to be understood by only a small, specialized group.
Example: The professor’s lecture on string theory was so esoteric that only a few students understood.
Evanescent
Definition: Quickly fading or disappearing; short-lived.
Example: The beauty of the sunrise was evanescent, gone within minutes.
Exacerbate
Definition: To make a problem or bad situation worse.
Example: Yelling only served to exacerbate the argument.

Fastidious
Definition: Very attentive to detail; hard to please; meticulous.
Example: The chef was fastidious about the presentation of every dish.
Flummox
Definition: To bewilder, confuse, or perplex completely.
Example: The complicated instructions flummoxed the new employee.
Garrulous
Definition: Excessively talkative, especially about trivial matters.
Example: The garrulous neighbor kept him talking for hours.
Harangue
Definition: A lengthy and aggressive speech; to lecture someone aggressively.
Example: The manager delivered a harangue about the importance of punctuality.
Hegemony
Definition: Leadership or dominance, especially by one country or group over others.
Example: The company’s hegemony in the tech industry was unchallenged for years.
Iconoclast
Definition: Someone who attacks or criticizes cherished beliefs or institutions.
Example: The artist was considered an iconoclast for his radical style.
Insidious
Definition: Proceeding in a gradual, subtle way, but with harmful effects.
Example: The disease was insidious, spreading without obvious symptoms at first.
Insipid
Definition: Lacking flavor, interest, or vigor; dull or boring.
Example: The soup was insipid and needed more seasoning.
Juxtapose
Definition: To place side by side for comparison or contrast.
Example: The artist juxtaposed light and dark colors in the painting.

Loquacious
Definition: Very talkative; fond of talking.
Example: The loquacious host kept the conversation lively.
Mendacious
Definition: Lying or untruthful; dishonest.
Example: The mendacious rumors spread quickly through the office.
Obfuscate
Definition: To deliberately make something unclear or difficult to understand.
Example: The instructions were obfuscated by technical jargon.
Ostensible
Definition: Stated or appearing to be true, but not necessarily so; apparent.
Example: His ostensible reason for quitting was health, but he really wanted a career change.
Paradox
Definition: A statement that seems contradictory but may be true.
Example: It’s a paradox that standing is more tiring than walking.
Pejorative
Definition: Expressing disapproval or criticism; derogatory.
Example: The reviewer used pejorative terms to describe the film.
Perfunctory
Definition: Carried out with minimum effort or reflection; routine.
Example: She gave a perfunctory nod and continued working.
Quixotic
Definition: Extremely idealistic, unrealistic, and impractical.
Example: His quixotic plan to build a flying car fascinated his friends but never succeeded.
Recalcitrant
Definition: Stubbornly refusing to obey rules or orders; resistant to authority.
Example: The recalcitrant student refused to do his homework.
Sanguine
Definition: Optimistic or positive, especially in a difficult situation.
Example: Despite the setbacks, she remained sanguine about the future.
Trepidation
Definition: A feeling of fear or anxiety about something that may happen.
Example: He approached the stage with trepidation before his speech.
Ubiquitous
Definition: Present, appearing, or found everywhere.
Example: Smartphones are now ubiquitous in society.
Used with permission of Terry Brock
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