placebo
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C1 noun /pləˈsiːboʊ/

placebo

Meaning
a substance with no therapeutic effect, used as a control in testing new drugs
Example
The patient was given a placebo to compare the effect of the real drug.
C1 noun /ˈpæl.ə.tə.bəl miːt/

Palatable meat

Meaning
Meat that is pleasant to taste; appetizing meat dish
Example
The chef prepared palatable meat dishes for the dinner party.
C1 verb /pərˈteɪn/

pertain

Meaning
to relate or have reference to something
Example
The rules pertain to all students in the school.
C1 adjective /ˌpærəˈdɒksɪkəl/

paradoxical

Meaning
Seemingly contradictory or opposed to common sense, yet possibly true.
Example
It is paradoxical that standing is often more tiring than walking.
C1 noun prɪˈzɝː.və.tɪv

preservative

Meaning
A chemical substance that prevents decay, fermentation, or other natural processes that cause food deterioration.
Example
Artificial preservatives are harmful to health.
C1 noun /ˈpeɪθɒs/

pathos

Meaning
a quality in speech, writing, or events that evokes pity or deep emotion
Example
The documentary balanced pathos with hope, making the audience both weep and think.
C1 noun /pəˈræl.ə.sɪs/

Paralysis

Meaning
the loss of the ability to move part or all of the body; complete inability to act or function
Example
The accident left him with paralysis in his legs.
C1 noun ˌprəʊ.baɪˈɒt.ɪk

probiotic

Meaning
Live microorganisms that provide health benefits when consumed in adequate amounts.
Example
Yogurt is a natural source of probiotics that aid digestion.
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 noun /ˌpærəfəˈneɪliə/

paraphernalia

Meaning
Miscellaneous articles, especially equipment needed for a particular activity.
Example
The fisherman carried all his fishing paraphernalia in a large box.
C1 noun /ˈpraɪməsi/

primacy

Meaning
the state of being first in importance or authority
Example
The primacy of education cannot be denied.
C1 adjective /ˌpæθəˈdʒɛnɪk/

pathogenic

Meaning
Capable of causing disease.
Example
Some bacteria are harmless, while others are highly pathogenic.
C1 noun /ˈprɒspɛktər/

prospector

Meaning
a person who searches for mineral deposits, especially gold
Example
The prospector spent years in the mountains searching for gold.
C1 adjective /ˈpruː.dənt/

Prudent

Meaning
wise; careful; cautious;
Example
It's prudent to save money for the future.
C1 noun /ˈpiː.hən/

Peahen

Meaning
female peacock
Example
The peahen is less colorful than the male peacock.
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 verb /ˈprɒpəɡeɪt/

propagate

Meaning
To spread or transmit an idea, belief, or information widely; also to reproduce in plants or animals.
Example
Scientists work to propagate the species in captivity.
C1 adjective prɪˈkeə.ri.əs

precarious

Meaning
Not securely held or in position; dependent on chance; uncertain.
Example
His financial situation is precarious.
C1 adjective /prɪˈsɪpɪtəs/

precipitous

Meaning
Extremely steep or sudden; done quickly without careful consideration.
Example
The hikers struggled to climb the precipitous slope.
C1 adjective /ˈpjuːtrɪd/

putrid

Meaning
decayed and emitting a foul smell
Example
The garbage smelled putrid after days in the sun.
C1 adjective, noun /ˈpæstərəl/

pastoral

Meaning
relating to the countryside, shepherds, or rural life; also relating to spiritual guidance by a pastor
Example
The painting had a calm pastoral scene with sheep grazing.
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 adjective /prəˈfɛtɪk/

prophetic

Meaning
accurately predicting or describing what will happen in the future
Example
His prophetic words came true after many years.
C1 adjective /prəˈfjuːs/

profuse

Meaning
existing or given in large amounts; abundant
Example
He offered profuse thanks for their timely help.
C1 noun /ˈpɪt.əns/

pittance

Meaning
a very small or inadequate amount of money
Example
She worked long hours for a mere pittance.
C1 adjective /ˈpɜːrtɪnənt/

pertinent

Meaning
Relevant or applicable to a particular matter.
Example
She asked a pertinent question during the meeting.
C1 noun /ˈpraɪ.mər/ (US), /ˈprɪm.ər/ (UK)

primer

Meaning
A basic introductory book or a substance used to prepare a surface for painting.
Example
He read a primer on programming before starting his course.
C1 adjective /pərˈpɔːrtɪd/

purported

Meaning
alleged or claimed to be true, often without proof
Example
The purported evidence was later proven false.
C1 adjective /ˈplaɪəbəl/

pliable

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

pentagon

Meaning
A plane figure with five straight sides and five angles; also refers to the US Department of Defense building.
Example
The Pentagon is one of the most iconic government buildings in the United States.
C1 adjective pərˈnɪʃəs

pernicious

Meaning
Having a harmful effect, especially in a gradual or subtle way.
Example
The pernicious effects of smoking are well-documented.
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 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 /pəˈsweɪsɪvnes/

persuasiveness

Meaning
The quality of being good at persuading someone to do or believe something.
Example
Her persuasiveness convinced the team to follow her suggestions.
C1 verb /prɒd/

prod

Meaning
to poke or push someone or something with a finger, foot, or pointed object
Example
She prodded him in the arm to get his attention.
C1 verb /ˈpætər/

patter

Meaning
to make a repeated light tapping sound; to talk quickly in a rehearsed or mechanical way
Example
Rain pattered softly on the window.
C1 noun /ˈpæŋkriəs/

pancreas

Meaning
A gland in the abdomen that produces insulin and digestive enzymes.
Example
The pancreas plays a vital role in digestion and blood sugar regulation.
C1 adjective /ˈpjuː.nɪ.tɪv/

punitive

Meaning
Inflicting or intended as punishment.
Example
The company faced punitive measures for violating the law.
C1 noun /peɪˈiː/

payee

Meaning
A person to whom money is paid or is to be paid.
Example
The payee must sign the check before cashing it.
C1 noun /ˈpær.ə.saɪt/

Parasite

Meaning
an organism that lives on or in another organism and benefits at its expense; a person who depends on others
Example
The dog was treated for intestinal parasites.
C1 noun /fɪˈlæn.θrə.pɪst/

philanthropist

Meaning
a person who seeks to promote the welfare of others, especially by donating money to good causes
Example
The philanthropist donated millions to build schools in rural areas.
C1 adjective /ˌpɛd.əˈɡɒdʒ.ɪ.kəl/

pedagogical

Meaning
Relating to teaching and education; concerned with the methods and practice of teaching.
Example
The school adopted new pedagogical techniques to improve learning.
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 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 noun /ˌprɒk.ləˈmeɪ.ʃən/

Proclamation

Meaning
an official public announcement, especially one made by someone in authority
Example
The king issued a proclamation declaring peace.
C1 noun prɪˈsɪʒ.ən ˈæɡ.rɪ.kʌl.tʃər

precision agriculture

Meaning
The technique of conducting agricultural work using advanced technology.
Example
Precision agriculture optimizes resource use and increases efficiency.
C1 adjective /ˈpɪθ.i/

pithy

Meaning
concise and meaningful; full of substance
Example
She gave a pithy comment that summarized the issue perfectly.
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 /ˈpeɪtriɑːrk/

patriarch

Meaning
a male head of a family or tribe; an older respected man who leads a group
Example
As the family patriarch, he mediated disputes and kept long traditions alive.
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 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 /prəʊˌkræs.tɪˈneɪ.ʃən/

procrastination

Meaning
The act of delaying or postponing tasks or activities.
Example
Procrastination is the enemy of success.
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 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 adjective /ˈplaɪənt/

pliant

Meaning
flexible; easily influenced or adaptable
Example
She has a pliant personality that adapts well to new situations.
C1 adjective /prəˈlɪf.ɪk/

prolific

Meaning
Present in large numbers or quantities; plentiful; producing many works, results, or offspring.
Example
The author is prolific, having written over 30 books.
C1 noun /plɔɪ/

ploy

Meaning
a clever plan or action designed to gain an advantage
Example
She used a clever ploy to win the debate.
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 prɪˈzɜː.və.tɪvz

preservatives

Meaning
A substance used to preserve foodstuffs, wood, or other materials against decay.
Example
Many processed foods contain harmful preservatives.
C1 noun /pərˈkʌʃən/

percussion

Meaning
Musical instruments that are played by striking, shaking, or scraping, such as drums or cymbals.
Example
The percussion section added rhythm and energy to the orchestra.
C1 adjective /ˈpær.ə.nɔɪd/

paranoid

Meaning
having an unreasonable fear or suspicion of others
Example
She became paranoid after hearing strange noises outside.
C1 noun /ˈplæn.teɪn ˈflaʊ.ər/

Plantain flower

Meaning
The flower bud of a banana plant, used as a vegetable in cooking
Example
We cooked plantain flower curry for dinner.
C1 verb /ˈpæmpər/

pamper

Meaning
to treat with excessive care and attention; to spoil
Example
Parents often pamper their first child.
C1 noun /ˌfɪziˈɑːlədʒi/

physiology

Meaning
the scientific study of the functions and mechanisms in a living system
Example
She is majoring in human physiology at the university.
C1 noun /ˈpəʊstˌskrɪpt/

postscript

Meaning
an additional remark at the end of a letter or text, after the signature
Example
She added a brief postscript to thank him again.
C1 adjective /pəˈnʌltɪmət/

penultimate

Meaning
second to the last in a sequence or series
Example
She finished the penultimate chapter before going to sleep.
C1 noun /ˈprɛəri/

prairie

Meaning
A large open area of grassland, especially in North America.
Example
The bison roamed freely across the prairie.
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 /ˈproʊtəˌʒeɪ/

protege

Meaning
a person who is guided and supported by an older and more experienced person
Example
The young artist was the protege of a famous painter.
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 adjective /prəˈvɒkətɪv/

provocative

Meaning
Intended to make people angry, excited, or interested.
Example
She wore a provocative dress to the party.
C1 adjective /ˈplʌk.i/

plucky

Meaning
having or showing courage and determination
Example
The plucky child rescued the kitten from the tree.
C1 adjective /ˈplɒd.ɪŋ/

plodding

Meaning
slow-moving and unexciting; showing steady effort
Example
The movie was entertaining but a bit plodding in the middle.
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 noun /ˈpoʊlstər/

pollster

Meaning
a person or organization that conducts surveys to gauge public opinion
Example
The pollster predicted a close election outcome.
C1 noun /ˈprɒv.ɜːb/

Proverb

Meaning
a short saying that expresses a general truth or gives advice
Example
The proverb 'Early to bed, early to rise' teaches us about good habits.
C1 noun /ˈpærəˌlɛlɪzəm/

parallelism

Meaning
The state of being parallel or similar; in literature, the use of components in a sentence that are grammatically the same or similar in construction.
Example
The writer used parallelism to give rhythm to his prose.
C1 adjective prəˈtræk.tɪd

protracted

Meaning
Lasting for a long time or longer than expected or usual.
Example
The negotiations were protracted over months.
C1 verb /proʊˈtruːd/

protrude

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

penitent

Meaning
Feeling or showing sorrow and regret for having done wrong.
Example
She was penitent after shouting at her friend.
C1 noun /ˈpæntəmaɪm/

pantomime

Meaning
A type of theatrical performance using gestures and movements without spoken words; in Britain, a musical comedy play for families performed at Christmas.
Example
The children enjoyed the Christmas pantomime at the local theater.
C1 noun /ˈper.ɪ.wɪŋ.kəl/

Periwinkle

Meaning
a small trailing plant with violet-blue or white flowers
Example
Purple periwinkles covered the garden ground beautifully.
C1 noun /ˌtɛrəˈdæktɪl/

pterodactyl

Meaning
An extinct flying reptile of the Jurassic period, with a long slender head and wings formed by a membrane stretching along the body.
Example
The museum displayed a fossil of a giant pterodactyl.
C1 adjective /ˈprɪvi/

privy

Meaning
having access to secret or private knowledge
Example
She was privy to the confidential discussions.
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 ˌpɒlɪˈneɪʃən

Pollination

Meaning
The process by which pollen is transferred from flowers, enabling plant reproduction.
Example
Butterflies play a vital role in pollination.
C1 adjective /ˈpɪt.i.ə.bəl/

pitiable

Meaning
deserving sympathy or compassion
Example
The stray dog looked pitiable in the rain.
C1 noun /ˈpɔɪ.nən.si/

poignancy

Meaning
the quality of evoking a keen sense of sadness or regret; emotionally touching
Example
The poignancy of the farewell brought tears to everyone's eyes.
C1 adjective ˈpɪv.ə.təl

pivotal

Meaning
Of crucial importance in relation to the development or success of something else.
Example
Renewable energy plays a pivotal role in sustainability.
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 noun /ˈprɒdɪdʒi/

prodigy

Meaning
a person, especially a young one, with exceptional talents or abilities
Example
Mozart was a child prodigy in music.
C1 noun /ˈpɒpjʊləs/

populace

Meaning
the general public; the ordinary people living in a country or area
Example
The new law was welcomed by the local populace.
C1 noun /ˈpɑːrlər/

parlor

Meaning
A sitting room in a private house, or a shop providing specified services.
Example
They welcomed the guests into the front parlor.
C1 noun /ˈpiː.kɒk ˈflaʊ.ər/

Peacock flower

Meaning
a tropical tree with bright orange and red flowers that resemble a peacock's tail
Example
The peacock flower tree blooms with stunning orange flowers in summer.
C1 noun /ˈpɛndjələm/

pendulum

Meaning
A weight suspended from a pivot so that it swings freely, often used to regulate clocks.
Example
The pendulum swung back and forth inside the clock.
C1 adjective /ˌsaɪkoʊsəˈmætɪk/

psychosomatic

Meaning
Relating to a physical illness or condition caused or aggravated by mental factors such as stress.
Example
Her stomach pain was diagnosed as psychosomatic, linked to stress.
C1 noun

Peck

C1 noun ˈpɛd.ə.ɡɒ.dʒi

pedagogy

Meaning
The method and practice of teaching, especially as an academic subject or theoretical concept.
Example
Modern pedagogy focuses on student-centered learning.
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 /ˈpent ʌp/

Pent-up

Meaning
suppressed; restrained; confined
Example
He had pent-up anger that finally exploded.
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 noun /pəˈraɪə/

pariah

Meaning
An outcast; someone who is rejected by society or a social group.
Example
After the scandal, he became a social pariah.
C1 noun /prɪˈzʌmp.ʃən/

Presumption

Meaning
an idea that is taken to be true without proof
Example
There is a presumption of innocence in the legal system.
C1 verb /ˈpɪlɪdʒ/

pillage

Meaning
to rob or plunder a place, especially during war
Example
The invading army pillaged the village and took all valuables.
C1 adjective /ˈpɑːr.dən.ə.bəl/

Pardonable

Meaning
able to be forgiven; excusable
Example
His mistake was pardonable given the difficult circumstances.
C1 noun /ˈpɪnəkəl/

pinnacle

Meaning
the highest point or peak of something, especially of success or achievement
Example
Winning the Nobel Prize was the pinnacle of her career.
C1 noun /ˈpreɪsiː/

precis

Meaning
A concise summary of a text or speech.
Example
The student submitted a précis of the long article.
C1 noun /ˈpaɪ.ə.ti/

Piety

Meaning
the quality of being religious or reverent; devout religious belief and practice
Example
His piety was evident in his daily prayers.
C1 verb /proʊˈtrækt/

protract

Meaning
To prolong or extend in time or duration.
Example
Negotiations were protracted for several months.
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 noun /ˈprɛljuːd/

prelude

Meaning
An action, event, or statement that serves as an introduction to something more important.
Example
The small fight was only a prelude to a bigger conflict.
C1 adjective /ˌprɛfəˈrɛnʃəl/

preferential

Meaning
showing or giving advantage to one over others
Example
Members receive preferential treatment at the club.
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 adjective /ˈper.ɪ.ləs/

perilous

Meaning
Full of danger or risk; hazardous and threatening.
Example
The explorers took a perilous journey.
C1 adjective /ˈpəʊ.tənt/

Potent

Meaning
having great strength, power, or effect; influential
Example
The medicine is very potent and should be taken carefully.
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 adjective /prəˈdɪdʒəs/

prodigious

Meaning
remarkably or impressively great in extent, size, or degree
Example
The team made a prodigious effort to complete the project on time.
C1 noun /ˈpoʊdiətrɪst/

podiatrist

Meaning
a doctor specializing in foot care
Example
I have an appointment with the podiatrist for my ankle pain.
C1 noun /ˌpiːdiˈætrɪks/

pediatrics

Meaning
the branch of medicine dealing with the health and medical care of children
Example
She decided to specialize in pediatrics after medical school.
C1 verb /ˈprɒfəsaɪ/

prophesy

Meaning
to state or predict that something will happen in the future, especially as if divinely inspired
Example
The monk prophesied that peace would return to the land.