process stability
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C1 noun ˈprəʊses stəˈbɪlɪti

process stability

Meaning
The consistency and steadiness of biological or functional processes
Example
Cold air ensures process stability in plants.
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 prɪˈdɪk.ə.mənt

predicament

Meaning
A difficult, unpleasant, or embarrassing situation.
Example
Losing both jobs put him in a financial predicament.
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 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 /prəˈkræs.tɪ.neɪt/

procrastinate

Meaning
To delay or postpone action; to put off doing something, especially out of habitual carelessness or laziness.
Example
He tends to procrastinate when facing difficult tasks.
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 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 /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 /ˌfɪl.hɑːrˈmɒn.ɪk/

philharmonic

Meaning
relating to a symphony orchestra or its music
Example
The philharmonic orchestra performed a stunning rendition of Beethoven's Ninth Symphony.
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 /ˈfɒnɪk/

phonic

Meaning
relating to speech sounds or their production; connected to phonics
Example
Children learn phonic rules to read new words accurately.
C1 adjective /ˈpɜːrsənəbl/

personable

Meaning
having a pleasant appearance and manner; attractive and friendly
Example
The new teacher is very personable and easy to talk to.
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 /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 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 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 noun /pəˈfjuː.mər.i/

perfumery

Meaning
the art, business, or products of making perfumes
Example
She works in a perfumery that creates luxury scents.
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 /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 ˈpɑː.sɪŋ

parsing

Meaning
The process of analyzing sentence structure to understand grammatical relationships.
Example
The AI model performs parsing to understand syntax.
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 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 adjective /prɪm/

prim

Meaning
stiffly formal and proper in appearance or behavior
Example
She looked prim in her neatly pressed dress.
C1 verb pleɪɡd

plagued

Meaning
Troubled or afflicted persistently by problems or difficulties.
Example
People are plagued by anxiety and depression.
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 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 /ˈpaɪ.əs/

Pious

Meaning
devoutly religious; showing reverence for God
Example
The pious monk spent hours in prayer every day.
C1 noun prəˈpʌl.ʃən

propulsion

Meaning
The action of driving or pushing forward.
Example
Jet engines provide propulsion for aircraft to travel long distances.
C1 adjective /ˈpɛndənt/

pendent

Meaning
hanging down or suspended
Example
The pendent branches touched the ground.
C1 adjective /ˈpɪt.i.ə.bəl/

pitiable

Meaning
deserving sympathy or compassion
Example
The stray dog looked pitiable in the rain.
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 /proʊˈtruːd/

protrude

Meaning
To stick out or extend beyond a surface.
Example
A nail was protruding from the wooden board.
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 verb ˈplʌmɪtɪŋ

plummeting

Meaning
Falling or dropping suddenly and steeply; decreasing rapidly
Example
The fertility rate in Bangladesh is plummeting.
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 verb /pərˈtɜːrb/

perturb

Meaning
To disturb or unsettle greatly in mind.
Example
The sudden noise perturbed the students during the exam.
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 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 noun /ˌplɔː.zəˈbɪl.ə.ti/

plausibility

Meaning
The quality of being reasonable or probable.
Example
The plausibility of his explanation convinced the jury.
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 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 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 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 /prəʊˌkræs.tɪˈneɪ.ʃən/

procrastination

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

potion

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

pundit

Meaning
An expert in a particular subject or field who is frequently called upon to give opinions to the public.
Example
Political pundits debated the election results on television.
C1 adjective /ˌsaɪkəˈpæθɪk/

psychopathic

Meaning
Relating to or affected by psychopathy; showing chronic mental disorder with abnormal or violent behavior.
Example
The film portrayed a psychopathic killer with no sense of empathy.
C1 adjective /pərˈtɜːrbd/

perturbed

Meaning
feeling anxious, unsettled, or disturbed
Example
He looked perturbed after hearing the bad news.
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 noun /ˈpær.ə.kiːt/

Parakeet

Meaning
a small colorful parrot with a long tail, often kept as a pet
Example
The green parakeet learned to say hello.
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 verb /ˌpriːˈmɛdɪteɪt/

premeditate

Meaning
to think about and plan something (especially a crime) beforehand
Example
The suspect was accused of premeditating the crime.
C1 adjective পারসিভেবল

perceivable

Meaning
Able to be seen, noticed, or detected.
Example
The changes in winter weather are perceivable in rural areas.
C1 noun /ˈplez.ən.tri/

Pleasantry

Meaning
a remark made in order to be polite or friendly; light conversation or jokes
Example
They exchanged pleasantries before the meeting began.
C1 noun /ˈpɛnənt/

pennant

Meaning
A tapering flag used for signaling or as an emblem of victory or achievement.
Example
The team raised the championship pennant proudly.
C1 adjective /ˈpen.ɪ.ləs/

Penniless

Meaning
having no money; extremely poor; completely without funds
Example
After losing his job, he became penniless.
C1 adjective /ˈpɒs.tʃə.məs/

Posthumous

Meaning
occurring or continuing after death; published after the author's death
Example
The author received a posthumous award for his last novel.
C1 noun /ˈsaɪkiː/

psyche

Meaning
the human soul, mind, or spirit
Example
The novel explores the depths of the human psyche.
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 verb /ˌpriːdɪˈtɜːrmɪn/

predetermine

Meaning
to establish or decide something in advance
Example
The outcome of the match seemed predetermined.
C1 noun /ˌprəʊ.baɪˈɒt.ɪks/

probiotics

Meaning
Live microorganisms that, when administered in adequate amounts, confer health benefits to the host, especially for digestive health.
Example
Probiotics improve digestion and enhance gut health.
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 noun /prəˈpoʊnənt/

proponent

Meaning
a person who advocates for or supports a particular idea, cause, or plan
Example
She is a strong proponent of renewable energy.
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 adjective /ˈpɑːr.dən.ə.bəl/

Pardonable

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

pecuniary

Meaning
relating to money or financial matters
Example
They faced pecuniary difficulties after the business failed.
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 adjective /pəˈroʊkiəl/

parochial

Meaning
Having a limited or narrow outlook; relating to a parish.
Example
His parochial view prevented him from understanding global issues.
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 /ˌpæl.pɪˈteɪ.ʃən/

Palpitation

Meaning
a noticeably rapid, strong, or irregular heartbeat due to agitation or medical condition
Example
She experienced palpitations before her job interview.
C1 noun ˈpraʊ.es

prowess

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

partiality

Meaning
an unfair preference or bias toward one side or person
Example
The judge was criticized for showing partiality in the case.
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 /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 adjective /ˈpæl.ə.tə.bəl/

palatable

Meaning
pleasant or acceptable to the taste, mind, or feelings
Example
The meal was simple but quite palatable.
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 /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 /pərˈsɛptɪv/

perceptive

Meaning
Having or showing keen insight, understanding, or awareness.
Example
She is very perceptive and quickly notices when something is wrong.
C1 noun /pəˈlɪɡ.ə.mi/

Polygamy

Meaning
the practice of marrying multiple spouses at the same time
Example
Polygamy is illegal in many countries around the world.
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 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 adjective /ˈplaɪəbəl/

pliable

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

polyglot

Meaning
a person who knows and can use several languages
Example
She is a polyglot, fluent in English, Spanish, and Bengali.
C1 noun /ˈpetɪkoʊt/

Petti-coat

Meaning
an undergarment worn by women under a dress or skirt
Example
She wore a white petticoat under her dress.
C1 verb /pɜːrtʃ/

perch

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

parquet

Meaning
A floor made of wooden blocks arranged in a geometric pattern.
Example
The old mansion had a beautiful parquet floor.
C1 verb /ˈprɒfər/

proffer

Meaning
to offer something for acceptance; to present
Example
She proffered her hand as a sign of friendship.
C1 noun /ˈpluː.mɪdʒ/

plumage

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

Peregrine

Meaning
wandering; traveling; migratory
Example
The peregrine falcon is known for its incredible speed.
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 /ˈpɛtjʊlənt/

petulant

Meaning
Childishly sulky or bad-tempered.
Example
The child became petulant when denied more candy.
C1 noun /ˈproʊbeɪt/

probate

Meaning
the official proving of a will in a court of law
Example
The family had to go through probate after his death.
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 noun /pɛnˈtæθlɒn/

pentathlon

Meaning
An athletic contest featuring five different events.
Example
She trained hard to compete in the modern pentathlon.
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 noun /ˈpʌntʃ laɪn/

punch line

Meaning
The final part of a joke or story that makes it funny.
Example
Everyone laughed loudly at the punch line of his joke.
C1 noun /ˈpɪl.fər.ɪdʒ/

Pilferage

Meaning
the theft of small amounts or items, especially from one's workplace
Example
The company installed cameras to prevent pilferage.
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 adverb /pɜːr ˈseɪ/

per se

Meaning
By or in itself; intrinsically.
Example
The idea is not bad per se, but it needs improvement.
C1 noun /ˌpærəˈnɔɪə/

paranoia

Meaning
an irrational and persistent feeling that people are 'out to get you' or are constantly watching you
Example
His constant paranoia made it hard for him to trust anyone.
C1 noun /poʊˈɛt.ɪks/

poetics

Meaning
the study or theory of poetry and its principles
Example
He wrote a book on poetics explaining the art of verse.
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 /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 /pərˈsɑːnɪfaɪ/

personify

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

parenthesis

Meaning
A pair of curved marks ( ) used to enclose words or numbers; also an interruption or digression in speech or writing.
Example
The explanation was given in a parenthesis within the text.
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 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 /ˈpɒp.i siːdz/

Poppy Seeds

Meaning
tiny round seeds from the poppy plant used as a spice or garnish in cooking
Example
Poppy seeds are sprinkled on top of breads and used in Bengali curries.
C1 noun /ˌpɜːsəˈnælɪzeɪʃən/

personalization

Meaning
The action of making something personal or individual; customization.
Example
Personalization in marketing improves customer engagement.
C1 adjective /ˈpɛnsɪv/

pensive

Meaning
Engaged in deep or serious thought.
Example
She looked pensive as she stared out of the window.
C1 adjective /ˈpɪt.i.əs/

Piteous

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