Momentous (adjective) Extremely important, especially because of its lasting impact on future events.
Example: Signing the peace treaty was a momentous occasion that ended decades of conflict.
Mnemonic: A momentous event is one where the whole moment freezes in the history books, remembered forever after.
Mundane (adjective) Ordinary and unremarkable, belonging to the routine of everyday life.
Example: Folding laundry and washing dishes are mundane chores that nobody looks forward to.
Mnemonic: Comes from 'mundus,' Latin for 'world' — mundane things belong to the ordinary, everyday world rather than anything extraordinary.
Myriad (adjective) Extremely numerous, so many that counting them all would be impractical.
Example: The night market featured myriad small stalls, each one selling something different.
Mnemonic: Comes from a Greek word for 'ten thousand' — myriad describes a number so large it might as well be ten thousand.
Negate (verb) To cancel out the effect of something or prove it false.
Example: One careless mistake at the end negated all the good work she had done on the exam.
Mnemonic: Negate starts just like negative - to negate something is to flip its effect into a negative, wiping it out.
Negligible (adjective) So small in size or importance that it can safely be ignored.
Example: The price difference between the two brands was negligible, so she bought whichever one was closer.
Mnemonic: It shares a root with neglect, so something negligible is small enough that you can safely neglect it.
Notion (noun) An idea, belief, or general understanding about something.
Example: The notion that money always brings happiness is challenged by a great deal of research.
Mnemonic: It is related to notice, so a notion is a thought your mind has taken notice of, even if only loosely formed.
Notwithstanding (preposition) In spite of a particular fact, without letting that fact prevent something else from happening.
Example: Notwithstanding the harsh criticism, the director refused to change the film's ending.
Mnemonic: Break it apart as not with standing - the obstacle is standing right there, yet the outcome happens not with it stopping anything.
Novel (adjective) New and different from anything known before.
Example: The research team proposed a novel method for recycling batteries that uses far less energy.
Mnemonic: It shares a root with innovate, from the Latin novus, meaning new, so a novel idea is one nobody has seen before.
Nuance (noun) A small, subtle distinction in meaning, tone, or expression.
Example: The translator worked hard to preserve every nuance of the original poem.
Mnemonic: From French 'nuer,' to shade colors — a nuance is a subtle shading of meaning, like one color blending into the next.
Nullify (verb) To make something legally or officially without effect; to cancel it out.
Example: The court moved to nullify the contract after discovering it had been signed under duress.
Mnemonic: Contains 'null,' meaning zero or nothing — to nullify is to reduce something down to nothing.
Objective (adjective) Based on facts and evidence rather than personal feelings or opinions.
Example: Journalists strive to present the news in an objective way, without letting personal bias creep in.
Mnemonic: Picture a camera lens pointed outward at an object rather than at your own reflection - an objective view faces outward toward facts, not inward toward feelings.
Obscure (adjective) Not well known, or difficult to see or understand clearly.
Example: The professor referenced an obscure nineteenth-century essay that few students had ever read.
Mnemonic: Think of the word obscured, as if covered by fog; obscure things are hidden from clear view.
Obsolete (adjective) No longer used because something newer and better has replaced it.
Example: Floppy disks became obsolete once USB drives and cloud storage took over.
Mnemonic: A quick trick is to hear it as old and deleted, since obsolete technology has effectively been erased by progress.
Obstinate (adjective) Stubbornly sticking to an opinion or course of action despite pressure to change.
Example: The obstinate toddler refused to wear anything but his dinosaur costume for a week.
Mnemonic: Shares the Latin root 'stare' (to stand) with 'obstacle' — an obstinate person plants their feet and stands firm, an obstacle no one can budge.
Onset (noun) The beginning or first stage of something, often something unpleasant.
Example: Doctors say early exercise can delay the onset of certain age-related illnesses.
Mnemonic: Picture a switch being set on; the onset is the exact moment something switches into motion.
Optimal (adjective) The best or most effective possible under the given circumstances.
Example: Researchers are testing different soil conditions to find the optimal environment for the crop.
Mnemonic: It shares a root with optimum and optimistic, so optimal simply describes the best-case outcome you could hope for.
Ostensible (adjective) Appearing or claimed to be true, though the real reason may be different.
Example: The ostensible reason for the meeting was budget planning, but everyone knew layoffs would be discussed.
Mnemonic: It is related to ostentatious, meaning showy, so the ostensible reason is the one shown on the surface, not necessarily the one underneath.
Overt (adjective) Done or shown openly, without any attempt to hide it.
Example: The company faced criticism for its overt use of children in advertisements.
Mnemonic: Think of it as related to open; overt actions are wide open for everyone to see, the opposite of secret.
Paradigm (noun) A typical pattern or model of thinking that shapes how people understand an entire subject.
Example: The discovery of DNA's structure created a new paradigm for understanding genetics.
Mnemonic: Picture a pair of dimes lined up as a matched set - a paradigm is the standard model that every later example gets measured against.
Paradox (noun) A statement or situation that seems to contradict itself yet may still hold some truth.
Example: "You have to spend money to make money" is a classic paradox that confuses new business owners.
Mnemonic: 'Para-' (contrary to) plus 'dox' (opinion, as in 'orthodox') — a paradox runs contrary to the opinion we'd normally expect.
Paramount (adjective) Ranking above everything else in importance.
Example: In a hostage negotiation, the safety of the victims is paramount above every other concern.
Mnemonic: Picture it sitting at the very 'mount,' the peak of all priorities — nothing outranks what is paramount.
Peripheral (adjective) Relating to a minor or less central part of something rather than its main focus.
Example: The report mentioned funding briefly but treated it as a peripheral issue compared to policy design.
Mnemonic: Think of your peripheral vision, what you notice at the edges rather than straight ahead; peripheral matters sit at the edge of importance too.
Perpetuate (verb) To cause something, often a belief or condition, to keep continuing without end.
Example: Critics argued that the outdated textbook continued to perpetuate common myths about history.
Mnemonic: It shares a root with perpetual, meaning never-ending - to perpetuate something is to keep it going perpetually.
Pertinent (adjective) Directly relevant and closely connected to the matter being discussed.
Example: During the interview, she asked several pertinent questions about the company's growth plans.
Mnemonic: It is related to pertain, meaning to relate to, so pertinent facts pertain directly to the topic at hand.
Pervasive (adjective) Spreading through and present in every part of something.
Example: A pervasive smell of smoke hung in the air long after the fire was put out.
Mnemonic: From Latin 'per-' (through) plus 'vadere' (to go) — pervasive things go all the way through, reaching every corner.