perturbed
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C1 adjective /pərˈtɜːrbd/

perturbed

Meaning
feeling anxious, unsettled, or disturbed
Example
He looked perturbed after hearing the bad news.
C1 verb /ˈprɒfər/

proffer

Meaning
to offer something for acceptance; to present
Example
She proffered her hand as a sign of friendship.
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 adjective /pəˈrɛniəl/

perennial

Meaning
lasting or existing for a long time, or recurring continually
Example
Climate change is a perennial concern for scientists.
C1 adjective /ˈpɑːndərəs/

ponderous

Meaning
slow and clumsy because of great weight; dull and labored
Example
The ponderous lecture made it hard for students to stay awake.
C1 noun /pʌn/

pun

Meaning
A humorous use of words that suggests different meanings or words that sound alike.
Example
He made a clever pun about the bakery's bread rising.
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 /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 verb /pərˈtɜːrb/

perturb

Meaning
To disturb or unsettle greatly in mind.
Example
The sudden noise perturbed the students during the exam.
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 /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 /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 verb /ˈpʌməl/

pummel

Meaning
To strike repeatedly with the fists; to beat or hit forcefully.
Example
The boxer pummeled his opponent in the final round.
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 /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 ˈprɛvələns

prevalence

Meaning
The fact or condition of being widespread; the extent to which something exists or occurs
Example
The prevalence of aging issues requires immediate attention.
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 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 verb /ˈpærəfreɪz/

paraphrase

Meaning
To express the meaning of something using different words, often to make it clearer.
Example
The teacher asked the students to paraphrase the poem in their own words.
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 /pəˈzɛsər/

possessor

Meaning
A person who owns or holds something.
Example
The possessor of the land built a new house.
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 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 noun ˈpɜː.mə.kʌl.tʃər

permaculture

Meaning
The development of agricultural ecosystems intended to be sustainable and self-sufficient.
Example
Permaculture promotes self-sufficient farming systems.
C1 adjective /ˌpɜːrpənˈdɪkjələr/

perpendicular

Meaning
At an angle of 90 degrees to a given line, plane, or surface.
Example
The ladder was placed perpendicular to the ground for safety.
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 /ˌpɜːrspəˈreɪʃn/

perspiration

Meaning
The process of sweating.
Example
Heavy exercise causes perspiration.
C1 adjective /ˈpɛndənt/

pendent

Meaning
hanging down or suspended
Example
The pendent branches touched the ground.
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 noun /ˈpriː.tekst/

Pretext

Meaning
a reason given in justification of a course of action that is not the real reason
Example
He used illness as a pretext to avoid the meeting.
C1 verb /priːˈɛmpt/

preempt

Meaning
To take action in order to prevent something from happening; to take the place of something.
Example
The government acted quickly to preempt a financial crisis.
C1 noun /ˈpoʊʃən/

potion

Meaning
a liquid with healing, magical, or poisonous properties
Example
The witch gave the hero a healing potion.
C1 noun ˈpɑː.sɪŋ

parsing

Meaning
The process of analyzing sentence structure to understand grammatical relationships.
Example
The AI model performs parsing to understand syntax.
C1 verb /plʌm/

plumb

Meaning
to measure the depth of water or examine closely
Example
They used a line to plumb the depth of the lake.
C1 verb /per/

pare

Meaning
to cut away the outer covering or reduce something gradually
Example
She pared the apple before eating it.
C1 verb /priːˈɛmpt/

pre-empt

Meaning
to act in advance to prevent an anticipated event from happening; forestall
Example
The government moved to pre-empt a crisis by introducing new policies.
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 /ˈpɪt.i.əs/

Piteous

Meaning
deserving pity; arousing compassion
Example
The piteous cries of the injured animal moved everyone to tears.
C1 adjective /priːˈɛmɪnənt/

preeminent

Meaning
Surpassing all others; very distinguished in some way.
Example
She is a preeminent scientist in the field of genetics.
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 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 /pəˈtɜːrnəl/

paternal

Meaning
Relating to or characteristic of a father.
Example
He took a paternal interest in the boy’s education.
C1 noun /ˈprɒvənəns/

provenance

Meaning
The origin or source of something.
Example
The museum verified the provenance of the ancient manuscript.
C1 adjective /ˈplʌk.i/

plucky

Meaning
having or showing courage and determination
Example
The plucky child rescued the kitten from the tree.
C1 noun prəˈpɛn.sə.ti

propensity

Meaning
An inclination or natural tendency to behave in a particular way.
Example
He has a propensity for taking risks in business.
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 /pərˈveɪsɪv/

pervasive

Meaning
Existing in or spreading through every part of something
Example
Pervasive technology has become a fundamental part of daily life.
C1 verb /praʊl/

prowl

Meaning
To move around quietly and secretly, especially while hunting or searching.
Example
The cat prowled around the garden at night.
C1 noun /ˈpɛdlər/

peddler

Meaning
a person who sells goods, often traveling from place to place
Example
The peddler walked through the village selling fresh fruits.
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 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 noun /prəˈpraɪəti/

propriety

Meaning
Conformity to accepted standards of behavior or morality.
Example
He always behaved with the utmost propriety in public.
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 /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 verb /plɒd/

plod

Meaning
to work slowly and steadily, often with effort or difficulty
Example
He plodded through his homework despite feeling tired.
C1 noun /ˈpæd.ək/

paddock

Meaning
a small enclosed field where horses or other animals are kept
Example
The horses were grazing in the paddock.
C1 verb prəˈpel

propel

Meaning
To drive, push, or cause to move in a particular direction, typically forward.
Example
Lack of proper guidance can propel adolescents toward delinquency.
C1 adjective /pərˈmɪsəbl̩/

permissible

Meaning
allowed or permitted by rules or law
Example
It is permissible to park here after 6 p.m.
C1 verb /praɪ/

pry

Meaning
to look closely into something; to try to find out private information
Example
She tried to pry into her neighbor’s private life.
C1 noun /pɪˌdɛs.tri.ə.naɪˈzeɪ.ʃən/

pedestrianization

Meaning
Making areas pedestrian-friendly, closing any area to vehicle traffic and making it open only for pedestrians.
Example
The pedestrianization of city centers reduces pollution.
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 /prəˈpɛlənt/

propellant

Meaning
A substance that drives or pushes something forward, especially fuel in rockets or engines.
Example
The rocket uses a liquid propellant to launch into space.
C1 adjective /prɪˈzʌmp.tʃu.əs/

presumptuous

Meaning
Overconfident, rude, or taking liberties without permission.
Example
It was presumptuous of him to make that decision without consulting others.
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 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 noun /ˈpɛsəl/

pestle

Meaning
A heavy tool with a rounded end used for crushing or grinding substances in a mortar.
Example
She used a pestle to grind the spices.
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 /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 ˌprɒb.ə.bɪˈlɪs.tɪk

probabilistic

Meaning
Based on probability; involving chance or statistical likelihood.
Example
The model follows a probabilistic approach to predictions.
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 adjective /ˈpoʊləraɪzd/

polarized

Meaning
divided into two sharply contrasting groups or opinions
Example
The debate polarized the community on the issue of climate change.
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 noun /prəˌlɪf.əˈreɪ.ʃən/

proliferation

Meaning
Rapid increase in the number or amount of something; rapid multiplication or growth.
Example
The proliferation of malware is a growing concern.
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 /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 adjective /ˈpɒlɪtɪk/

politic

Meaning
shrewd, prudent, or tactful in practical matters
Example
It was politic of him to remain silent during the argument.
C1 noun /ˈprɒvɪdəns/

providence

Meaning
the protective care of God or nature as a spiritual power; foresight or prudence
Example
They believed their survival was due to divine providence.
C1 adjective /ˈpɔːltri/

paltry

Meaning
small or meager; lacking in value or importance
Example
They offered him a paltry sum for his work.
C1 noun /ˈpɜːʃən/

Persian

Meaning
a native or inhabitant of Iran; the language spoken in Iran (Farsi)
Example
The Persian language has a rich literary history.
C1 noun /ˈpɛnɪtəns/

penitence

Meaning
The action or feeling of showing sorrow and regret for having done wrong.
Example
His eyes were full of penitence after realizing his mistake.
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 adjective /ˈprɛdəˌtɔri/

predatory

Meaning
Relating to animals that prey on others; exploiting or victimizing others for personal gain.
Example
The predatory bird swooped down on its prey.
C1 verb /ˈpleɪdʒəraɪz/

plagiarize

Meaning
to take someone else's work or ideas and present them as your own
Example
He was warned not to plagiarize his friend's essay.
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 /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 /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 /ˈpɛndənt/

pendant

Meaning
a piece of jewelry that hangs from a chain worn around the neck
Example
She wore a silver pendant around her neck.
C1 noun ˈpær.ə.daɪm

paradigm

Meaning
A typical example or pattern of something; a model or framework for understanding or approaching something.
Example
The paradigm of education is changing with digital technology.
C1 adjective /pləˈtɒnɪk/

platonic

Meaning
relating to a close relationship that is not romantic or sexual
Example
They have a platonic friendship that has lasted for years.
C1 noun /ˈpɔːsɪti/

paucity

Meaning
the presence of something in only small or insufficient quantities
Example
The project was delayed due to a paucity of funds.
C1 verb /præns/

prance

Meaning
To move with high, springy steps, often to show off or attract attention.
Example
The horse pranced around the field gracefully.
C1 adjective /ˌfɪl.ænˈθrɒp.ɪk/

philanthropic

Meaning
showing concern for the welfare of others; generous and charitable
Example
She is known for her philanthropic activities in the city.
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 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 noun /ˈpen.əns/

Penance

Meaning
punishment that you accept for doing something wrong; an act of showing that you are sorry for sin
Example
The monk performed penance for his past mistakes.
C1 noun ˈpraʊ.es

prowess

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

perversion

Meaning
The act of distorting or corrupting the original meaning, purpose, or state of something.
Example
The regime’s censorship was seen as a perversion of free speech.
C1 adjective /pərˈpetʃuəl/

perpetual

Meaning
never-ending or continuous
Example
She lived in perpetual fear of being discovered.
C1 noun /pəˈtɜːrnəti/

paternity

Meaning
The state of being someone's father.
Example
He demanded a paternity test to confirm his relationship with the child.
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 verb /ˌpriːdɪˈtɜːrmɪn/

predetermine

Meaning
to establish or decide something in advance
Example
The outcome of the match seemed predetermined.
C1 adjective /ˈpɛtjʊlənt/

petulant

Meaning
Childishly sulky or bad-tempered.
Example
The child became petulant when denied more candy.
C1 adjective /ˈpæl.ɪd/

Pallid

Meaning
pale, especially because of poor health; lacking substance or vitality
Example
His pallid complexion showed signs of illness.
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 /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 /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 /ˈpɔːpər/

pauper

Meaning
A very poor person.
Example
The pauper begged for food on the street corner.
C1 verb /ˈpɛtrɪfaɪ/

petrify

Meaning
to make someone so frightened that they are unable to move or think; to turn into stone
Example
The loud noise petrified the little child.
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/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 noun /ˈprəʊ.lɒɡ/

prologue

Meaning
an introduction to a book, play, or event
Example
The novel begins with a short prologue set in the past.
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 /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 /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 /ˈpəʊtəbl/

potable

Meaning
safe to drink; drinkable
Example
The villagers did not have access to potable water.
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 /ˈplɛθərə/

plethora

Meaning
an excessive amount of something
Example
She has a plethora of books on her shelf.
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 /ˈpluː.mɪdʒ/

plumage

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

purgatory

Meaning
A place or state of suffering inhabited by the souls of sinners who are expiating their sins before going to heaven; a temporary condition of torment or suffering.
Example
After the accident, the long recovery felt like a kind of purgatory.
C1 adjective /prəˈsiːdʒərəl/

procedural

Meaning
Relating to an established or official way of doing something; concerned with procedure.
Example
The committee followed the procedural rules strictly.