periodicity
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C2 noun /ˌpɪəriəˈdɪsɪti/

periodicity

Meaning
The quality or state of being regular or recurring at intervals.
Example
The periodicity of the moon’s phases has fascinated humans for centuries.
A2 noun /ˈpaɪnˌæpəl/

pineapple

Meaning
a tropical fruit with a rough spiky skin, sweet yellow flesh, and a leafy crown
Example
She added fresh pineapple to the fruit salad.
B1 adjective ˈpræktɪkəl

practical

Meaning
Concerned with actual use rather than theory; realistic and sensible.
Example
A practical approach is needed for solving complex problems.
B2 adverb /ˈpraɪ.vət.li/

Privately

Meaning
in a private manner; without others present; confidentially
Example
She spoke to him privately about the matter.
C1 verb /pərˈteɪn/

pertain

Meaning
to relate or have reference to something
Example
The rules pertain to all students in the school.
B2 noun ˈpɛs.tɪ.saɪdz

pesticides

Meaning
Substances used for destroying insects or other organisms harmful to cultivated plants or to animals.
Example
Excessive pesticides use can harm the environment.
C1 noun /ˈprɛsɪdəns/ or /prɪˈsiːdəns/

precedence

Meaning
the condition of being considered more important than someone or something else; priority
Example
Safety takes precedence over speed in this factory.
B2 noun prəˈtæɡənɪst

protagonist

Meaning
The leading character or one of the major characters in a drama, movie, novel, or other fictional text.
Example
Charles Darnay is one of the protagonists of the story.
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.
B2 adjective /ˈpæʃənət/

passionate

Meaning
showing or caused by strong feelings or a strong belief
Example
He is passionate about environmental conservation.
B1 noun /ˈfɪzɪks/

physics

Meaning
the natural science that studies matter, energy, and the interactions between them
Example
She decided to major in physics at the university.
C1 noun /ˌprɑːfɪˈtɪr/

profiteer

Meaning
a person who makes excessive profits, especially unfairly or illegally
Example
The government punished war profiteers.
B2 noun /ˈprɑsɪˌkjuːtər/

prosecutor

Meaning
a lawyer who represents the government in criminal cases
Example
The prosecutor argued that the defendant was guilty of the crime.
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 /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 /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.
B1 noun /per/

Pear

Meaning
a sweet juicy fruit with a rounded shape that is wider at the bottom than the top
Example
She enjoyed a fresh pear from the orchard.
C2 adjective /ˈprɒɡnəθəs/

prognathous

Meaning
Having jaws that project forward beyond the rest of the face.
Example
The fossil displayed a distinctly prognathous skull structure.
B1 noun /ˈprəʊ.tiːnz/

proteins

Meaning
Large biomolecules consisting of amino acids that perform essential functions in living organisms, including building and repairing tissues.
Example
Lean meats and legumes provide high-quality proteins.
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.
B2 adjective /ˈprɛf(ə)rəb(ə)l/

preferable

Meaning
more desirable or suitable; better than something else
Example
It is preferable to take the train rather than drive in heavy traffic.
B2 adjective /ˈprɒmɪsɪŋ/

promising

Meaning
showing signs of future success or potential
Example
She is a promising young scientist with great ideas.
C2 verb /fɪˈlændər/

philander

Meaning
to engage in casual or frivolous romantic or sexual relationships
Example
He was known to philander with many women in town.
C2 noun /ˌpriːpəˈzɛʃən/

prepossession

Meaning
An opinion or feeling formed beforehand; a prejudice or preoccupation.
Example
His prepossession in favor of tradition made him resist change.
C1 adjective /ˈpɜːrmiəbl̩/

permeable

Meaning
allowing liquids or gases to pass through
Example
The soil in this area is very permeable to water.
B2 noun /ˌpɜːrsəˈnel/

personnel

Meaning
People employed in an organization or engaged in an organized undertaking such as military service.
Example
The company is hiring more personnel for its new branch.
C2 noun /ˌpliːnɪpəˈtɛnʃəri/

plenipotentiary

Meaning
a person invested with full power to act on behalf of another, especially in diplomacy
Example
The ambassador was a plenipotentiary sent to negotiate the treaty.
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.
A2 noun /ˈprɪzən/

prison

Meaning
a building where people are kept as punishment for a crime or while waiting for trial
Example
He was sent to prison for his crimes.
A2 noun; adverb /pərˈsɛnt/

percent

Meaning
a proportion out of one hundred; by each hundred
Example
Sales increased by ten percent this year.
C2 verb /priːˈdɛstɪn/

predestine

Meaning
to determine or decide something in advance, often regarded as being fixed by fate or divine will
Example
They believed their paths were predestined by fate.
A2 noun /piːs/

peace

Meaning
a state of tranquility or quiet, freedom from disturbance
Example
They hope for peace in the region.
B2 noun, verb /ˈpɛdəl/

pedal

Meaning
A foot-operated lever for powering or controlling a mechanism, especially on a bicycle.
Example
He pressed down hard on the bicycle pedal.
B1 noun /ˈproʊɡræmɪŋ/

programing

Meaning
the process of writing computer code to create software or applications
Example
He spends most of his time learning computer programming.
C1 noun /prəˈspɛktəs/

prospectus

Meaning
a printed document that advertises or describes a school, business, or investment offering
Example
The university sent out a prospectus to attract new students.
A1 noun /piːˈɛm/

pm

Meaning
abbreviation for post meridiem; after midday
Example
The meeting is scheduled at 3 pm.
C2 noun /pɜːrtʃt raɪs/

Perched rice

Meaning
puffed rice; rice that has been heated and puffed into light, crispy grains
Example
I enjoy eating puffed rice as a healthy snack.
C2 noun /ˈpɪnjən/

pinion

Meaning
a small gear or the outer part of a bird's wing; to restrain or immobilize
Example
The bird's pinion was injured, preventing it from flying.
C1 adjective /ˈprɪvi/

privy

Meaning
having access to secret or private knowledge
Example
She was privy to the confidential discussions.
B2 adjective, noun /ˈsaɪkɪk/

psychic

Meaning
relating to the mind or supernatural powers; a person claiming to have extrasensory abilities
Example
The psychic claimed she could predict the future.
C1 adjective /ˈpeɪnzˌteɪkɪŋ/

painstaking

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

pandemonium

Meaning
Wild and noisy disorder or confusion; uproar.
Example
When the concert was canceled, pandemonium broke out among the crowd.
B2 noun prəˈdʒɛk.ʃən

projection

Meaning
The strength and range of voice when speaking.
Example
Proper projection ensures that every listener hears clearly.
C2 noun /ˈpɑːr.kə.tri/

parquetry

Meaning
The art or technique of laying parquet floors.
Example
The craftsman specialized in parquetry for luxury homes.
C2 adjective /ˈprʊəriənt/

prurient

Meaning
having or showing an excessive interest in sexual matters
Example
The magazine was criticized for its prurient content.
A2 adjective /ˈpɒp.jʊ.lər/

Popular

Meaning
liked or admired by many people; well-known and widely accepted
Example
This restaurant is very popular among young people.
B1 adverb /ˈprɒpərli/

properly

Meaning
in the correct or suitable manner
Example
He performed the task properly to avoid mistakes.
B2 noun /ˈpɑːtnəʃɪp/

partnership

Meaning
the state of being a partner or a group of partners
Example
Our partnership has helped both companies grow.
C2 adjective /ˌprɒvɪˈdɛnʃəl/

providential

Meaning
occurring at a favorable or opportune time, as if guided by divine intervention
Example
Their timely rescue was considered providential.
C2 noun /prəˈfjuːʒən/

profusion

Meaning
an abundance or large quantity of something
Example
Spring brought a profusion of wildflowers to the valley.
B2 adverb /ˈprez.ənt.li/

Presently

Meaning
at the present time; soon; in a little while
Example
The doctor will see you presently.
A2 noun ˈprəʊɡres

progress

Meaning
Forward or onward movement towards a destination or a more advanced state.
Example
Progress in recycling technologies can tackle pollution.
B2 noun /prɪˈtens/

Pretence

Meaning
an attempt to make something that is not the case appear true
Example
He made no pretence of being interested in the conversation.
C2 adjective /ˈpɑːmi/

palmy

Meaning
prosperous, flourishing, or relating to palm trees
Example
He often reminisced about the palmy days of his youth.
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.
B1 noun praɪd

pride

Meaning
A feeling of deep pleasure or satisfaction derived from one's own achievements or from achievements associated with one.
Example
Victory Day fills our hearts with pride.
C2 adjective /pʌŋkˈtɪliəs/

punctilious

Meaning
Showing great attention to detail or correct behavior.
Example
She was punctilious in her attention to etiquette.
C2 noun /prəˈlɪksɪti/

prolixity

Meaning
the quality of being tediously wordy and long
Example
The book’s prolixity made it difficult to read in one sitting.
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.
B2 adverb /pəˈtɛnʃəli/

potentially

Meaning
with the possibility of becoming something in the future
Example
This project is potentially a huge success.
B2 noun /ˈpæθweɪ/

pathway

Meaning
a route or course along which something travels or progresses
Example
The narrow pathway led to the hidden garden.
A2 adverb /ˈpɒs.ə.bli/

Possibly

Meaning
perhaps; maybe; it may be the case that
Example
It will possibly rain tomorrow.
B2 noun /ˈpaɪ.rə.si/

Piracy

Meaning
the practice of attacking and robbing ships at sea; the unauthorized use or reproduction of copyrighted material
Example
Software piracy costs companies billions of dollars annually.
C2 noun ˈfaɪ.təʊˌnjuː.tri.ənts

phytonutrients

Meaning
Bioactive compounds found in plants that have health benefits beyond basic nutrition.
Example
Green tea contains powerful phytonutrients.
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 adjective /pərˈtɜːrbd/

perturbed

Meaning
feeling anxious, unsettled, or disturbed
Example
He looked perturbed after hearing the bad news.
C2 noun /ˌpɛkjʊˈleɪʃən/

peculation

Meaning
The act of embezzling or stealing money, especially from public funds.
Example
The minister resigned after being accused of peculation.
B2 noun /ˈpɪk.səl/

pixel

Meaning
the smallest unit of a digital image or display
Example
The image is blurry because some pixels are missing.
C2 adjective /ˌpɪkəˈrɛsk/

picaresque

Meaning
relating to a style of fiction depicting the adventures of a roguish hero
Example
The novel is a picaresque tale of a clever vagabond.
C1 noun /poʊˈlær.ɪ.ti/

polarity

Meaning
the state of having two opposite or contradictory tendencies, opinions, or aspects
Example
The polarity between the two political parties is growing stronger.
A2 adjective /ˈpɜːrfɪkt/

Perfect

Meaning
flawless; excellent; without fault
Example
She delivered a perfect performance on stage.
C1 noun /ˈpɪt.fɔːl/

pitfall

Meaning
a hidden or unexpected danger or difficulty
Example
Investors must be aware of the pitfalls of the market.
C2 noun prəˈklɪv.ə.ti

proclivity

Meaning
A tendency to choose or do something regularly; an inclination or predisposition toward a particular thing.
Example
She has a proclivity for learning new languages.
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 /prɪm/

prim

Meaning
stiffly formal and proper in appearance or behavior
Example
She looked prim in her neatly pressed dress.
B2 noun /fɪˈzɪʃən/

physician

Meaning
a person qualified to practice medicine; a doctor
Example
The physician prescribed some medicine to treat the condition.
A2 verb /pɒp/

pop

Meaning
to make a short, sharp sound, or to burst or break with such a sound
Example
The balloon popped when I accidentally pricked it with a pin.
C2 verb /poʊˈtɛnʃiˌeɪt/

potentiate

Meaning
To increase the power, effect, or likelihood of something.
Example
Caffeine can potentiate the effects of some medicines.
C2 noun /ˌfoʊˈtɑːmɪtər/

photometer

Meaning
an instrument for measuring the intensity of light
Example
The scientist used a photometer to measure the light in the laboratory.
B2 noun /ˈpɛbl/

pebble

Meaning
a small smooth stone found on beaches or rivers
Example
He threw a pebble into the pond and watched the ripples.
C1 noun /plʊəˈrælɪti/

plurality

Meaning
the state of being multiple; the greater part or majority
Example
In the election, she won by a plurality of votes.
B1 noun /ˈpʊl.oʊ.vər/

Pullover

Meaning
a knitted garment worn on the upper body, typically pulled on over the head
Example
She wore a warm pullover during the cold winter evening.
B2 noun /prɔːn/

Prawn

Meaning
a large marine crustacean similar to shrimp but typically bigger
Example
The chef prepared delicious prawn curry with coconut milk.
A2 verb /prɪˈpɛər/

prepare

Meaning
to make ready; to get something ready for use
Example
She needs to prepare dinner for her family.
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.
A2 noun /ˈprɒd.ʌkt/

Product

Meaning
something that is manufactured or produced; the result of a process
Example
The company launched a new product in the market.
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 /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.
B2 noun /prəˈtɛktər/

protector

Meaning
a person or thing that protects someone or something
Example
The dog was seen as the family's protector.
B2 adjective /ˈplɔː.zə.bəl/

plausible

Meaning
Seeming reasonable or probable; credible or believable.
Example
His excuse seemed plausible, but I had my doubts.
B1 noun /ˌprɛpəˈreɪʃən/

preparation

Meaning
The act of getting ready or making arrangements for something.
Example
The team made careful preparation for the presentation.
C2 /ˈpæn.ə.pli/

panoply

Meaning
A complete or impressive collection of things; a full set of armor.
Example
The museum displayed a panoply of ancient weapons.
C2 adverb /pəˈfɔːs/

perforce

Meaning
by necessity; inevitably
Example
He had to perforce accept the decision.
B1 verb /prəˈmoʊt/

promote

Meaning
to help something develop or increase; to advance someone to a higher position
Example
The company promotes environmental awareness.
A1 noun /ˈpɛnsəl/

pencil

Meaning
an instrument for writing or drawing, typically made of wood with a graphite core
Example
He drew a picture with a pencil.
B2 noun /pʌbˈlɪs.ɪ.ti/

Publicity

Meaning
public attention or notice given to someone or something; advertising or promotion
Example
The movie received a lot of publicity before its release.
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.
A2 noun /ˈfəʊtəɡrɑːf/

photograph

Meaning
a picture made using a camera
Example
She took a photograph of the sunset.
B2 noun /ˈfoʊ.bi.ə/

Phobia

Meaning
an extreme or irrational fear of or aversion to something
Example
She has a phobia of spiders.
B1 adjective /ˈpɜːrmənənt/

Permanent

Meaning
lasting; unchanging; enduring
Example
The tattoo is a permanent mark on his skin.
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.
B1 noun /ˈprɛər/

prayer

Meaning
a solemn request for help or expression of thanks addressed to God or another deity
Example
She recited a prayer before the meal.
C2 adjective /paɪd/

pied

Meaning
having two or more different colors, typically in blotches
Example
The pied cat had black and white patches all over its body.
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.
C2 noun /ˈprɒm.ən.tɔːr.i/

promontory

Meaning
A high point of land or rock projecting into a body of water.
Example
The lighthouse stood on a promontory overlooking the sea.
B2 adjective /ˌpoʊstˈwɔːr/

post-war

Meaning
relating to the period after a war has ended
Example
The country experienced rapid economic growth in the post-war years.
C2 noun /ˈpeɪpəsi/

papacy

Meaning
The office or authority of the Pope in the Roman Catholic Church.
Example
The papacy played a significant role in medieval European politics.
B2 noun /pænt/

Pant

Meaning
a piece of clothing worn on the lower body covering each leg separately
Example
She bought a new pair of pants for the party.
B2 noun, verb, adjective /ˈpeɪtənt/ or /ˈpætənt/

patent

Meaning
a government license granting exclusive rights to an inventor; also to obtain such rights
Example
He patented his new invention to protect it from being copied.
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

Peck

C2 adverb /ˌpɛlˈmɛl/

pell-mell

Meaning
In a confused, rushed, or disorderly manner.
Example
The children ran pell-mell through the playground.
C2 noun /ˈpɜːrvjuː/

purview

Meaning
the scope or range of authority, responsibility, or knowledge
Example
The case does not fall within the purview of this court.
C2 noun /ˈpɒlɪti/

polity

Meaning
an organized society or form of government
Example
The ancient Greek polity had a system of city-states.
B2 noun /ˈpæd.ɪŋ/

padding

Meaning
soft material added for comfort, protection, or to fill space
Example
The chair had extra padding for comfort.
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.
A2 verb /plænt/

plant

Meaning
to put seeds or plants in the ground; to place something firmly
Example
She planted roses in her garden.
B2 adjective /ˈprɛdʒədɪst/

prejudiced

Meaning
having or showing a dislike or bias against a person or group without proper reason
Example
He was prejudiced against people from other regions.
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.
B2 noun ˈpɛstɪˌsaɪd

pesticide

Meaning
A substance used for destroying insects or other organisms harmful to cultivated plants or to animals.
Example
The pesticide sprayed in the field killed the harmful insects.
B1 noun /pɑːrˌtɪsɪˈpeɪʃən/

participation

Meaning
the action of taking part in something
Example
Her participation in the competition was commendable.