percolate
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C1 verb /ˈpɜːrkəleɪt/

percolate

Meaning
To filter gradually through a porous surface or substance; to spread slowly.
Example
The rainwater percolated through the soil into the groundwater.
C1 noun /ˈpæn.θi.ən/

pantheon

Meaning
All the gods of a religion collectively; a building dedicated to all gods.
Example
The Roman Pantheon is one of the best-preserved ancient temples.
C1 noun /ˈpleɪn.tɪf/

Plaintiff

Meaning
a person who brings a case against another in a court of law; the person who initiates a lawsuit
Example
The plaintiff filed a lawsuit against the company.
C1 verb /priːˈɒkjʊpaɪ/

preoccupy

Meaning
To dominate or engross the mind of someone to the exclusion of other thoughts.
Example
Worries about the future preoccupy him constantly.
C1 noun /prəˈdʒɛktaɪl/

projectile

Meaning
An object fired, thrown, or propelled, especially from a weapon.
Example
The soldier dodged the incoming projectile.
C1 adjective /ˈpɔːrəs/

porous

Meaning
Having tiny holes that allow liquid or air to pass through.
Example
The soil is very porous and drains quickly.
C1 noun, verb /ˌprɒməˈneɪd/

promenade

Meaning
A leisurely walk or stroll, especially in a public place for pleasure or display.
Example
They went for a promenade along the seaside.
C1 noun /ˈpɜːrpɪtreɪtər/

perpetrator

Meaning
a person who commits a harmful, illegal, or immoral act
Example
The police arrested the perpetrator of the crime.
C1 adjective /pɑːrtʃt/

parched

Meaning
extremely dry, especially because of heat or thirst
Example
After walking in the desert, he was parched with thirst.
C1 noun /ˈpoʊtənsi/

potency

Meaning
The power or ability of something to affect or influence; strength or effectiveness.
Example
The potency of the new medicine amazed the doctors.
C1 noun /prəʊˌkræs.tɪˈneɪ.ʃən/

procrastination

Meaning
The act of delaying or postponing tasks or activities.
Example
Procrastination is the enemy of success.
C1 noun ˌpraɪɔːrɪtaɪˈzeɪʃən

prioritization

Meaning
The action or process of deciding the relative importance or urgency of things.
Example
Effective prioritization ensures resources are used efficiently.
C1 adjective /pəˈrɪfərəl/

peripheral

Meaning
Relating to or situated on the edge or outer parts of something.
Example
The town is located on the peripheral area of the city.
C1 noun /fɪˈlæn.θrə.pi/

philanthropy

Meaning
the desire to promote the welfare of others, often expressed by the generous donation of money to good causes
Example
Philanthropy has helped improve healthcare in many developing countries.
C1 adjective /ˈplaɪəbəl/

pliable

Meaning
easily bent or flexible; adaptable
Example
The metal is pliable enough to be shaped into jewelry.
C1 adjective /pərˈtɜːrbd/

perturbed

Meaning
feeling anxious, unsettled, or disturbed
Example
He looked perturbed after hearing the bad news.
C1 noun /ˈpɔː.pəs/

Porpoise

Meaning
a small toothed whale with a low triangular dorsal fin and a blunt rounded snout
Example
The porpoise jumped gracefully out of the water.
C1 noun/verb /ˈprɛdɪkət/ (noun), /ˈprɛdɪkeɪt/ (verb)

predicate

Meaning
noun: the part of a sentence that tells something about the subject; verb: to base or establish something on a particular idea
Example
His theory is predicated on sound research.
C1 adjective /pɜːrt/

pert

Meaning
attractively lively or cheeky in manner or style
Example
She gave a pert reply that made everyone laugh.
C1 noun /ˌpriːməˈnɪʃən/ or /ˌprɛm-/

premonition

Meaning
a strong feeling that something is about to happen, often something negative
Example
She had a premonition of danger before the trip.
C1 noun /ˈpiː.hən/

Peahen

Meaning
female peacock
Example
The peahen is less colorful than the male peacock.
C1 noun, adjective /ˈpɑːrtɪzən/

partisan

Meaning
A strong supporter of a party, cause, or person; showing biased allegiance.
Example
The debate quickly turned partisan, with each side defending their own agenda.
C1 noun /ˈpoʊl.stɑːr/

Polestar

Meaning
a bright star that appears to stay in the same position in the sky and is used for navigation
Example
Sailors used the polestar to navigate across the ocean.
C1 noun /prəˈvaɪzoʊ/

proviso

Meaning
a condition or stipulation attached to an agreement
Example
He accepted the job offer with the proviso that he could work remotely twice a week.
C1 noun /pərˈveɪər/

purveyor

Meaning
a person or business that supplies goods, services, or information
Example
He is a well-known purveyor of fine wines.
C1 noun /fɪˈziːk/

physique

Meaning
the form, size, and development of a person's body
Example
He has an athletic physique due to years of training.
C1 verb /ˈpæs.ɪ.faɪ/

pacify

Meaning
To quell the anger, agitation, or excitement of someone.
Example
The mother tried to pacify her crying child.
C1 noun /ˈpʊlpɪt/

pulpit

Meaning
a raised platform in a church from which the preacher delivers a sermon
Example
The pastor stood at the pulpit to address the congregation.
C1 verb /pərˈtɜːrb/

perturb

Meaning
To disturb or unsettle greatly in mind.
Example
The sudden noise perturbed the students during the exam.
C1 noun /ˈpædʒənt/

pageant

Meaning
A public entertainment consisting of a procession of people in elaborate costumes, or a beauty contest.
Example
She won first place in the beauty pageant.
C1 noun /ˌsaɪkoʊˈθɛrəpi/

psychotherapy

Meaning
The treatment of mental disorder by psychological rather than medical means.
Example
She attended weekly psychotherapy sessions to cope with her anxiety.
C1 verb /ˈpærəlaɪz/

paralyze

Meaning
to cause someone or something to lose the ability to move or function normally
Example
The sudden shock seemed to paralyze him.
C1 noun /ˈpræɡ.mə.tɪ.zəm/

pragmatism

Meaning
A practical approach to problems and affairs; dealing with things sensibly and realistically.
Example
His pragmatism helped solve the financial crisis.
C1 adjective /fəˈnɛtɪk/

phonetic

Meaning
relating to the sounds of speech or pronunciation
Example
The teacher taught the students the phonetic spelling of difficult words.
C1 adjective /prɪˈkoʊʃəs/

precocious

Meaning
Showing advanced development or maturity at an unusually early age.
Example
The precocious child was reading novels at the age of five.
C1 noun /plæsˈtɪsəti/

plasticity

Meaning
the quality of being easily shaped or molded; adaptability
Example
The brain's plasticity allows it to adapt after injury.
C1 noun /ˈpɒpjʊlɪst/

populist

Meaning
A politician or person who seeks to appeal to ordinary people who feel their concerns are ignored by elites.
Example
The populist leader promised to put the needs of common citizens first.
C1 noun /ˈpɒ̃ʃɒ̃/

penchant

Meaning
a strong or habitual liking for something or tendency to do something
Example
She has a penchant for collecting rare books.
C1 noun /saɪˈkoʊsɪs/

psychosis

Meaning
A severe mental disorder in which thought and emotions are impaired, leading to a loss of contact with reality.
Example
The patient was diagnosed with psychosis after experiencing hallucinations.
C1 noun /ˌprɒvəˈkeɪʃən/

provocation

Meaning
An action or statement that is intended to make someone angry or to cause a reaction.
Example
His rude comment was a clear provocation.
C1 noun /prɒɡˈnoʊsɪs/

prognosis

Meaning
A forecast of the likely outcome of a disease or situation.
Example
The doctor gave a positive prognosis for the patient's recovery.
C1 verb /pərˈspaɪər/

perspire

Meaning
To give out sweat through the pores of the skin as a result of heat, physical exertion, or stress.
Example
He began to perspire after running for 10 minutes.
C1 noun, verb /pliːt/

pleat

Meaning
a fold in fabric made by doubling the material back upon itself
Example
She added a pleat to the skirt for extra volume.
C1 adjective /priˈɛmptɪv/

preemptive

Meaning
Serving or intended to prevent something by taking action first.
Example
The government took preemptive measures to control inflation.
C1 noun /ˈpærɪti/

parity

Meaning
the state or condition of being equal, especially in status or pay
Example
The campaign aims to achieve pay parity between men and women.
C1 verb /priːn/

preen

Meaning
To groom or dress oneself with care; to show pride in one's appearance.
Example
She preened in front of the mirror before leaving for the party.
C1 verb /ˈprɪkəl/

prickle

Meaning
to cause a slight stinging or tingling sensation on the skin
Example
Her skin began to prickle in the cold wind.
C1 adjective /praɪˈmiːvəl/

primeval

Meaning
Relating to the earliest ages in history; ancient and primitive.
Example
The explorers ventured into the primeval forest untouched by humans.
C1 verb /ˈpɑːzɪt/

posit

Meaning
To assume or suggest something as a fact or basis for reasoning.
Example
The scientist posited a new theory to explain the phenomenon.
C1 adjective /pəˈdæntɪk/

pedantic

Meaning
Excessively concerned with minor details or rules; overly academic or bookish.
Example
Her pedantic explanations made the lecture dull.
C1 adjective /ˈpraɪ.məl/

primal

Meaning
Relating to the earliest stage of development; essential or fundamental.
Example
Fear is one of the most primal emotions humans experience.
C1 adjective /praɪˈmɔːrdiəl/

primordial

Meaning
Existing at or from the beginning of time; fundamental and original.
Example
Scientists study the primordial soup from which life emerged.
C1 adjective + noun ˌpaɪəˈnɪərɪŋ ˈmɪʃən

pioneering mission

Meaning
A groundbreaking or innovative undertaking that leads the way in a particular field.
Example
Artemis is a pioneering mission in space exploration.
C1 adjective /pəˈnɪnsjələr/

peninsular

Meaning
Relating to or resembling a peninsula.
Example
The peninsular region is surrounded by water on three sides.
C1 noun /ˈpæl.ət/

Palate

Meaning
the roof of the mouth; a person's ability to distinguish between different flavors
Example
The chef created dishes to please every palate.
C1 adjective /ˈpɪər.ləs/

Peerless

Meaning
unequaled; having no match or equal; without rival
Example
Her peerless beauty captivated everyone.
C1 noun /ˈprɛsɪpɪs/

precipice

Meaning
A very steep cliff or a situation of great danger.
Example
The hikers stood at the edge of the precipice, gazing into the valley below.
C1 verb /ˈpoʊ.lə.raɪz/

polarize

Meaning
to divide or cause to divide into two sharply contrasting groups or sets of opinions or beliefs
Example
The controversial decision polarized public opinion.
C1 noun /ˈpɪɡmənt/

pigment

Meaning
a natural or artificial substance used to give color to something
Example
The artist mixed different pigments to create the perfect shade of blue.
C1 noun /ˌpɒl.iˈtek.nɪk/

polytechnic

Meaning
an educational institution offering practical and technical courses
Example
She studied engineering at a well-known polytechnic in her city.
C1 adjective /ˌfɪz.i.əˈlɒdʒ.ɪ.kəl/

physiological

Meaning
Relating to bodily functions and activities.
Example
Exercise improves physiological functions of the body.
C1 verb /paʊt/

pout

Meaning
to push one's lips forward as an expression of annoyance or sulkiness
Example
The child began to pout when he didn’t get the toy.
C1 adjective /ˈplaɪənt/

pliant

Meaning
flexible; easily influenced or adaptable
Example
She has a pliant personality that adapts well to new situations.
C1 noun /ˌpeɪ.li.ɒnˈtɒl.ə.dʒi/

paleontology

Meaning
the branch of science concerned with fossil animals and plants
Example
She decided to study paleontology at university.
C1 noun/verb ˈpɪv.ət

pivot

Meaning
A significant change in business strategy or direction.
Example
The company decided to pivot its business strategy.
C1 verb /pɜːrtʃ/

perch

Meaning
To sit or rest on something high or narrow.
Example
The bird perched on the fence.
C1 noun /prəˈtruːʒən/

protrusion

Meaning
Something that sticks out or projects from a surface.
Example
The protrusion on the wall made it difficult to move the furniture.
C1 noun prɪˈdɪk.ə.mənt

predicament

Meaning
A difficult, unpleasant, or embarrassing situation.
Example
Losing both jobs put him in a financial predicament.
C1 noun /pərˈvɜr.sə.ti/

Perversity

Meaning
deliberate determination to behave in an unreasonable or unacceptable way; the quality of being contrary or obstinate
Example
His perversity in refusing help frustrated everyone.
C1 noun /ˈpæʃ.ən ˌflaʊ.ər/

Passion flower

Meaning
A climbing plant with intricate, colorful flowers; also refers to royal poinciana tree with red-orange blooms
Example
The passion flower vine covered the garden wall with beautiful blooms.
C1 adjective /ˈpʌn.dʒənt/

Pungent

Meaning
sharp; strong-smelling; acrid;
Example
The pungent smell of garlic filled the kitchen.
C1 noun /ˌprɑːfɪˈtɪr/

profiteer

Meaning
a person who makes excessive profits, especially unfairly or illegally
Example
The government punished war profiteers.
C1 noun /ˈpɜːrdʒəri/

perjury

Meaning
The offense of willfully telling an untruth in a court after taking an oath.
Example
She was convicted of perjury after giving false evidence.
C1 adjective /pərˈsɛptəbl̩/

perceptible

Meaning
Able to be noticed or recognized by the senses or the mind.
Example
There was a perceptible change in the atmosphere.
C1 verb /ˈpɜːrpətreɪt/

perpetrate

Meaning
To commit or carry out, typically a harmful, illegal, or immoral act.
Example
The hackers perpetrated a massive cyber attack on the company.
C1 noun /ˈpɪn.sərz/

Pincers

Meaning
a tool made of two curved or hinged pieces of metal used for gripping and pulling things
Example
The chef used pincers to remove the hot pot from the stove.
C1 adjective /ˌpriːdɪˈspoʊzd/

predisposed

Meaning
Likely or inclined to be affected by something in advance.
Example
She is predisposed to trust people easily.
C1 noun /prɪˈtɛnʃən/

pretension

Meaning
A claim or assertion to something, often without justification; an attempt to impress by showing greater importance or talent than is actually possessed.
Example
His pretension to be an expert was quickly exposed.
C1 noun /ˈpleɪdʒərɪzəm/

plagiarism

Meaning
the practice of taking someone else's work or ideas and passing them off as one's own
Example
The student was expelled for committing plagiarism in his essay.
C1 adjective /pæˈseɪ/

passe

Meaning
no longer fashionable or current; out of date
Example
Some trends from last decade feel utterly passé now.
C1 verb /ˈpɒstʃʊleɪt/

postulate

Meaning
to suggest or assume that something is true as the basis for reasoning or discussion
Example
Scientists postulate that life exists on other planets.
C1 noun /ˈprɒvənəns/

provenance

Meaning
The origin or source of something.
Example
The museum verified the provenance of the ancient manuscript.
C1 noun /pəˈθɒlədʒi/

pathology

Meaning
the scientific study of diseases, their causes, processes, and effects on the body
Example
Advances in pathology helped the doctors identify the rare infection quickly.
C1 verb /proʊˈtruːd/

protrude

Meaning
To stick out or extend beyond a surface.
Example
A nail was protruding from the wooden board.
C1 adjective /ˈprevələnt/

Prevalent

Meaning
widespread; existing very commonly; generally occurring
Example
Smoking is still prevalent among teenagers despite health warnings.
C1 adjective /ˈpɔɪ.njənt/

poignant

Meaning
evoking a keen sense of sadness or regret; deeply touching
Example
The movie's ending was so poignant that many in the audience were moved to tears.
C1 noun /ˌpɜːrsɪˈkjuːʃn/

persecution

Meaning
the act of treating someone cruelly or unfairly because of their religion, race, or beliefs
Example
The persecution of minorities has been condemned worldwide.
C1 noun /ˈfiː.nɪks/

phoenix

Meaning
a mythical bird that is reborn from its ashes; symbol of immortality or renewal
Example
The legend says the phoenix rises from its ashes every 500 years.
C1 verb /ˌpoʊstˈdeɪt/

postdate

Meaning
To assign a date later than the actual date to a document or event.
Example
She postdated the check to next month.
C1 noun /ˈplæz.mə/

Plasma

Meaning
the liquid part of blood; ionized gas; blood serum without clotting proteins
Example
Blood plasma contains various proteins and nutrients.
C1 noun /pɜːrl drɒp/

Pearl drop

Meaning
a single pearl used as jewelry, often in earrings or pendants
Example
The elegant pearl drop earrings complemented her outfit perfectly.
C1 noun ˌpriːˌɒkjʊˈpeɪʃən

preoccupation

Meaning
The state of being absorbed in thought; mental distraction.
Example
His preoccupation with work led to neglecting his personal life.
C1 verb /pərˈsɑːnɪfaɪ/

personify

Meaning
To represent or embody a quality, idea, or concept in human form.
Example
She personifies kindness and generosity.
C1 adjective /ˈpeɪnzˌteɪkɪŋ/

painstaking

Meaning
Done with great care and thoroughness.
Example
The artist completed the project with painstaking detail.
C1 noun /ˈpræɡmətɪst/

pragmatist

Meaning
A person who deals with things in a practical and realistic way.
Example
He is a true pragmatist who values results over ideals.
C1 adjective /ˈpen.ɪ.ləs/

Penniless

Meaning
having no money; extremely poor; completely without funds
Example
After losing his job, he became penniless.
C1 noun /ˈpær.ət biːk/

Parrot Beak

Meaning
a climbing plant with curved red and orange flowers resembling a parrot's beak
Example
The parrot beak flower's unique curved shape makes it a fascinating addition to any garden.
C1 adjective /ˈpiːvɪʃ/

peevish

Meaning
Easily irritated, especially by unimportant things.
Example
The child grew peevish when denied candy.
C1 noun /ˈpriːsɪŋkt/

precinct

Meaning
A district or area within the boundaries of a city, often for police or electoral purposes.
Example
She went to vote at her local precinct.
C1 noun /prɪˈdɒmɪnəns/

predominance

Meaning
The state of being greater in number, strength, or importance.
Example
The predominance of online shopping has changed retail forever.
C1 noun /pəˈrɪm.ɪ.tər/

perimeter

Meaning
the continuous line forming the boundary of a closed geometric figure or area
Example
The soldiers guarded the perimeter of the camp.
C1 noun /ˈpluː.mɪdʒ/

plumage

Meaning
the feathers covering a bird's body
Example
The peacock's plumage was vibrant and eye-catching.
C1 noun /ˌpɒməˈdɔːrəʊ/

pomodoro

Meaning
A time management technique that uses a timer to break down work into intervals.
Example
The Pomodoro technique improves productivity.
C1 noun ˌpraɪ.vɪ.taɪˈzeɪ.ʃən

privatization

Meaning
The transfer of a business, industry, or service from public to private ownership and control.
Example
The privatization of state-owned companies increased efficiency.
C1 adjective /ˌprɛfəˈrɛnʃəl/

preferential

Meaning
showing or giving advantage to one over others
Example
Members receive preferential treatment at the club.
C1 verb /pləˈkeɪt/

placate

Meaning
to make someone less angry or hostile; to calm or soothe
Example
He tried to placate the angry customer with a refund.
C1 adjective /ˈpjuːtrɪd/

putrid

Meaning
decayed and emitting a foul smell
Example
The garbage smelled putrid after days in the sun.
C1 noun /ˌpæn.əˈræm.ə/

panorama

Meaning
An unbroken view of the whole region surrounding an observer.
Example
From the hilltop, we enjoyed a breathtaking panorama of the city.
C1 adjective /pəˈfʌŋk.tər.i/

perfunctory

Meaning
done without much effort, interest, or thought
Example
He gave a perfunctory nod and walked away.
C1 noun /ˌpænəˈsiːə/

panacea

Meaning
A solution or remedy for all difficulties or diseases.
Example
Education is often seen as a panacea for social problems.
C1 adjective /prəˈhɪbɪtɪv/

prohibitive

Meaning
Too high or expensive to be affordable; serving to prevent or discourage action.
Example
The cost of the medication is prohibitive for many families.
C1 noun ˈpraʊ.es

prowess

Meaning
Skill or expertise in a particular activity or field.
Example
Prowess in sports enhances team strength.
C1 noun /ˈpreɪsiː/

precis

Meaning
A concise summary of a text or speech.
Example
The student submitted a précis of the long article.
C1 adjective /ˈpæs.ə.bəl/

passable

Meaning
good enough to be accepted, though not excellent
Example
The road is barely passable after the storm.
C1 adjective /ˈprɪs.tiːn/

pristine

Meaning
In its original condition; unspoiled, clean, and fresh.
Example
The forest remains in a pristine condition.
C1 noun, adjective /ˌproʊlɪˈtɛəriən/

proletarian

Meaning
Relating to the working class, especially those who do not own property.
Example
The movement was rooted in proletarian struggles.
C1 noun /ˈprɒk.tər/

proctor

Meaning
a person who supervises students during an examination
Example
The proctor reminded students to keep their phones switched off.
C1 verb/noun /pərˈvɜːrt/

pervert

Meaning
As a verb: to distort the meaning or purpose of something; as a noun: a person with abnormal or immoral sexual behavior.
Example
He tried to pervert the truth to escape punishment.
C1 verb /prəˈkjʊər/

procure

Meaning
to obtain something, especially with effort or difficulty
Example
They managed to procure enough supplies for the expedition.
C1 noun /ˈpruːdəns/

prudence

Meaning
The quality of being cautious, wise, and exercising good judgment.
Example
She invested her money with great prudence.
C1 noun /ˈpæstər/

pastor

Meaning
a minister in charge of a Christian church or congregation
Example
The pastor delivered a heartfelt sermon on compassion.