imperceptible
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C1 adjective ˌɪm.pəˈsɛp.tɪ.bəl

imperceptible

Meaning
So subtle or gradual that it is difficult to notice or perceive
Example
The changes in his behavior were imperceptible at first.
C1 adjective /hjuːˈmeɪn/

humane

Meaning
Showing compassion or benevolence.
Example
The doctor provided humane treatment to the injured animals.
C2 noun /əˈprəʊ.bri.əm/

opprobrium

Meaning
Harsh criticism or public disgrace.
Example
The scandal brought opprobrium on the politician.
B2 noun /ˈbɒt.əl.nek/

bottleneck

Meaning
Narrow path or obstruction, a place or situation where flow becomes slow.
Example
The narrow bridge is a major bottleneck during rush hour.
B2 adjective /əkˈsel.ə.reɪ.tɪd/

accelerated

Meaning
Happening or developing faster than usual.
Example
The project progressed at an accelerated pace.
B1 adjective pəˈlɪtɪkəl

political

Meaning
Relating to the government or public affairs of a country; relating to politics or political parties.
Example
The political agenda included autonomy.
B2 adjective /ˈmæn.ju.əl/

Manual

Meaning
done by hand; operated by hand; not automatic
Example
This is a manual process that requires careful attention.
C2 noun /ˈsætər/

satyr

Meaning
a creature from Greek mythology depicted as a lustful being, often half-man and half-goat; by extension, a lecherous man
Example
In the museum mural, a satyr plays the panpipes while dancing in the woods.
B1 noun /kənˌfɜːˈmeɪʃən/

confirmation

Meaning
the action of confirming something or the state of being confirmed
Example
She received a confirmation email for her appointment.
B2 adjective /ˈvaɪtl/

vital

Meaning
essential or necessary for life or success
Example
It's vital to stay hydrated during the summer.
C2 noun /ˈænɪ siːd/

Ani seed

Meaning
Small aromatic seeds used as a spice and for medicinal purposes, with a sweet licorice-like flavor
Example
Anise seeds are often used in traditional desserts and teas.
B1 noun ˈɪn.də.stri

industry

Meaning
Economic activity concerned with the processing of raw materials and manufacture of goods in factories.
Example
The industry focuses on luxury experiences.
C2 noun /ˈplænɪsfɪr/

planisphere

Meaning
a rotating star chart used to display the visible stars for any time and date
Example
The astronomer used a planisphere to identify the constellations.
A2 verb /friːz/

freeze

Meaning
to become solid due to cold; to preserve by cold
Example
Water freezes at zero degrees Celsius.
C1 noun /kənˈtɪnjuəm/

continuum

Meaning
A continuous sequence in which adjacent elements are not perceptibly different from each other, but the extremes are quite distinct.
Example
Life and death are often seen as part of the same continuum.
C2 noun /ˈpɑːrləns/

parlance

Meaning
a particular way of speaking or using words, common to a group
Example
In legal parlance, the term has a different meaning.
C1 adjective /kənˈspɪkjuəs/

conspicuous

Meaning
Easily noticeable; attracting attention due to being unusual or prominent.
Example
Her red dress made her conspicuous at the party.
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 noun /ˈrɒstrəm/

rostrum

Meaning
A raised platform for speakers, performers, or leaders.
Example
The politician delivered a speech from the rostrum.
B2 adjective ˌprəʊˈæk.tɪv

proactive

Meaning
Taking action by causing change and not only reacting to change when it happens.
Example
Proactive strategies are needed to combat scarcity.
C2 noun /ˌkɒntrəpəˈzɪʃən/

contraposition

Meaning
the act of placing two things in opposition for contrast or comparison
Example
The contraposition of the two theories highlighted their differences.
B2 adjective /ˈlɪtərəl/

literal

Meaning
taking words in their usual or most basic sense without metaphor or exaggeration
Example
His comment was meant as a joke, not to be taken in a literal sense.
B2 noun /ˌɔːltəˈreɪʃən/

alteration

Meaning
a change or modification made to something
Example
The tailor made an alteration to the suit.
B1 verb /waɪp/

wipe

Meaning
to clean or dry something by rubbing with a cloth or tissue
Example
Please wipe the table clean.
C1 adjective /kənˈstreɪnd/

constrained

Meaning
appearing forced, unnatural, or restricted
Example
He gave a constrained smile during the awkward meeting.
C2 noun /flɛk/

fleck

Meaning
a small spot or mark, often of a different color
Example
There was a fleck of paint on the floor.
C2 noun /drɛɡz/

dregs

Meaning
the remnants of a liquid left in a container, together with any sediment or grounds; the most worthless part of something
Example
He drank the dregs of the coffee before leaving.
C1 verb /smɜrk/

smirk

Meaning
to smile in a self-satisfied, smug, or silly way
Example
He smirked when he won the argument.
C1 verb /dɪˈsɛkt/

dissect

Meaning
to cut apart an animal, plant, or other organism to study its internal parts; to analyze something in detail
Example
In biology class, students had to dissect a frog to learn about its anatomy.
B2 adverb /ɪmˈpɒlɪtli/

impolitely

Meaning
in a rude or discourteous manner; without showing respect or proper manners
Example
He spoke impolitely to the waiter despite the polite service.
B2 noun /prɪˈkɔː.ʃən/

Precaution

Meaning
an action taken in advance to prevent something dangerous or unpleasant from happening
Example
As a precaution, we should bring extra water on the hike.
C1 noun /ˈmɪs.hæp/

Mishap

Meaning
An unlucky accident or unfortunate event, typically minor
Example
The cooking mishap resulted in a burnt dinner.
B1 noun /bloʊ/

Blow

Meaning
a powerful stroke with a hand, weapon, or hard object
Example
The boxer delivered a devastating blow to his opponent.
A2 verb /əˈfɔːrd/

afford

Meaning
to have enough money to buy; to be able to spare
Example
I can't afford a new car right now.
B2 noun/verb /flɑːk/

flock

Meaning
a group of birds or animals; to gather or move in a crowd
Example
Tourists flocked to the beach during summer.
A2 adjective /ˈkeər.ləs/

Careless

Meaning
not giving sufficient attention or thought to avoiding harm or errors; negligent; inattentive
Example
His careless driving caused a serious accident on the highway.
C1 noun /ˌdʒerənˈtɑːlədʒi/

gerontology

Meaning
The scientific study of old age and the process of aging.
Example
She chose to specialize in gerontology after completing medical school.
B1 noun /ˈfaɪəˌfaɪtə/

firefighter

Meaning
a person whose job is to put out fires
Example
The firefighter saved the family from the burning building.
A1 modal verb, noun /meɪ/

may

Meaning
Used to express possibility, permission, or uncertainty; also the name of the fifth month of the year.
Example
You may leave early if you finish your work.
C2 adjective /ˈmɜːrkəntaɪl/

mercantile

Meaning
related to trade or commerce
Example
The city grew rapidly due to its mercantile activities.
C2 adjective /səˈmætɪk/

somatic

Meaning
Relating to the body, especially as distinct from the mind.
Example
Yoga can improve both somatic and mental health.
A2 noun /ˈfɑːr.mər/

Farmer

Meaning
a person who grows crops or raises animals for food or profit
Example
The farmer planted rice in the fertile fields this season.
C1 noun /ˈsæf.aɪər/

Saphire

Meaning
a precious stone that is typically blue in color
Example
The royal crown was adorned with a large sapphire.
C1 adjective /ˌhaɪdroʊɪˈlɛktrɪk/

hydroelectric

Meaning
Relating to or denoting the generation of electricity using flowing water.
Example
The country invested heavily in hydroelectric power plants.
A2 adjective /rɪtʃ/

Rich

Meaning
having a lot of money or valuable possessions; abundant in nutrients or flavor
Example
The rich businessman donated money to the charity.
C1 noun ɪnˈflɛk.ʃən

inflection

Meaning
The change in pitch or tone of voice when speaking for emphasis.
Example
His inflection kept the audience engaged.
C2 verb /kəˈvɔrt/

cavort

Meaning
to jump or dance around excitedly
Example
The children cavorted happily in the garden.
C2 noun /ˈmæl.kənˌtɛnt/

malcontent

Meaning
A person who is dissatisfied or rebellious; one who is not content.
Example
The malcontent voiced his grievances against the government.
A2 verb kriˈeɪts

creates

Meaning
To bring something into existence or to cause something to happen
Example
Pollution creates environmental and health issues.
C1 adjective /bɪˈnaɪn/

benign

Meaning
Gentle, kind, or not harmful (especially of a disease or tumor).
Example
The doctor assured her that the tumor was benign.
B2 verb /ɪnˈtɜːrprət/

interpret

Meaning
to explain the meaning of something; to translate orally
Example
She had to interpret the speech for the foreign guests.
C1 noun /ˌɛks.həˈleɪ.ʃən/

exhalation

Meaning
The action of breathing out.
Example
Slow exhalation calms the nervous system.
C1 noun /ˈʌp.tɜːn/

upturn

Meaning
An improvement or upward trend in a situation, especially in business or economy.
Example
The company experienced an upturn in sales last quarter.
B2 adjective /ɪnˈtɒlərənt/

intolerant

Meaning
unwilling to accept or respect beliefs or behavior different from one's own
Example
He is intolerant of any opinion that differs from his own.
B2 adjective /ˌʌndɪˈnaɪəbl/

Undeniable

Meaning
impossible to deny or dispute; clearly true
Example
The evidence of his guilt was undeniable.
C1 noun/verb /ˈslʌmbər/

slumber

Meaning
A state of sleep; to sleep lightly or rest.
Example
The child slumbered peacefully through the night.
C1 noun ˈkiː.stəʊn ˈspiː.ʃiːz

keystone species

Meaning
A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
Example
Wolves are a keystone species that regulate prey populations.
C1 noun ˈpraʊ.es

prowess

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

admonish

Meaning
to warn or reprimand someone firmly; to advise or urge earnestly
Example
The teacher admonished the students for being late.
A2 verb /əˈtækt/

attacked

Meaning
physically or verbally assaulted someone or something; launched an aggressive action against a target
Example
The soldiers attacked the enemy at dawn.
B1 adjective /ˈblʌdi/

bloody

Meaning
covered in, involving, or containing blood; also used informally for emphasis in British English.
Example
The soldier returned from battle with a bloody arm.
C2 verb /ˌkaʊntərˈmænd/

countermand

Meaning
to revoke or cancel an order or command
Example
The general countermanded the previous orders immediately.
B1 noun əbˈdʒek.tɪv

objective

Meaning
A thing aimed at or sought; a goal.
Example
The main objective is to test sustainability.
C1 adjective /ˈpɪt.i.əs/

Piteous

Meaning
deserving pity; arousing compassion
Example
The piteous cries of the injured animal moved everyone to tears.
A2 verb /baɪt/

bite

Meaning
to cut with teeth; to have a sharp effect
Example
The dog might bite if it feels threatened.
C1 noun /ˌvɜːrtʃuˈoʊsoʊ/

virtuoso

Meaning
A person highly skilled in music, art, or another artistic pursuit.
Example
The pianist is a true virtuoso, captivating audiences worldwide.
C2 noun /roʊˈtʌn.də/

rotunda

Meaning
a large circular building or hall, often with a dome
Example
Tourists gathered inside the grand rotunda of the capitol.
C1 adjective /oʊˈbiːs/

obese

Meaning
Extremely overweight; having an excessive amount of body fat.
Example
The doctor advised the obese patient to adopt a healthier lifestyle.
B2 adjective /ˌrez.ɪˈden.ʃəl/

residential

Meaning
Designed for people to live in.
Example
The institution was fully residential.
C2 noun /ˌθɜː.məʊˈdʒen.ɪ.sɪs/

thermogenesis

Meaning
The process of heat production in living organisms, often associated with burning calories and energy expenditure.
Example
Spicy foods can enhance thermogenesis and calorie burning.
A2 adverb, adjective, verb, noun /ˈfɔːrwərd/

forward

Meaning
toward the front; to advance or send ahead; an onward position or direction
Example
The troops moved forward to secure the bridge.
C1 noun /ˈtoʊ.pæz/

Topaz

Meaning
a precious stone, typically colorless, yellow, or blue, used in jewelry
Example
The queen's crown was adorned with a magnificent blue topaz.
B2 noun /ˈlɒk.ɪt/

Locket

Meaning
a small ornamental case, typically made of gold or silver, worn on a chain around the neck
Example
She kept her grandmother's photo in the locket.
C1 adjective /haɪˈdrɔːlɪk/

hydraulic

Meaning
operated by the pressure of liquid, especially water or oil
Example
The mechanic repaired the hydraulic system of the machine.
C2 verb, noun /ˈkweɪvər/

quaver

Meaning
To shake or tremble in speaking, typically through nervousness or emotion.
Example
Her voice quavered as she spoke before the crowd.
B2 noun /kɜːrl/

Curl

Meaning
a piece of hair that curves or coils; something with a spiral or curved shape
Example
She had beautiful natural curls that framed her face perfectly.
B1 adjective /ˈvaɪə.lənt/

Violent

Meaning
using or involving physical force intended to hurt, damage, or kill; very forceful or powerful
Example
The violent storm caused significant damage to the coastal areas.
C1 noun ˌmɒd.ɪ.fɪˈkeɪ.ʃənz

modifications

Meaning
The action of making partial or minor changes to something.
Example
DNA modifications enable enhanced traits in crops.
C2 noun /ˈoʊvərlɔːrd/

overlord

Meaning
A ruler, master, or person of great power and authority over others.
Example
The peasants were forced to pay taxes to their overlord.
B2 noun /dʒɜːm/

germ

Meaning
a microscopic organism, especially one that causes disease
Example
Washing your hands helps prevent the spread of germs.
A2 noun /skɪl/

skill

Meaning
the ability to do something well through training or experience
Example
Her skill in painting impressed everyone.
C2 noun /ˈkɔːrpəskəl/

corpuscle

Meaning
a small particle or cell, especially a blood cell
Example
Red corpuscles carry oxygen throughout the body.
C2 adjective /ˈfʊl.səm/

fulsome

Meaning
Excessively flattering or insincere; abundant or generous in amount.
Example
He offered fulsome praise to his boss.
B2 adverb /ˈred.ɪ.li/

Readily

Meaning
willingly; easily; without hesitation
Example
She readily agreed to help with the project.
C1 noun /rɪdʒ/

ridge

Meaning
a long, narrow hilltop, mountain range, or raised strip
Example
We walked along the mountain ridge.
A1 pronoun /wi/

we

Meaning
used by a speaker to refer to himself or herself and one or more other people
Example
We are going to the park this afternoon.
C1 adjective /ˈhæb.ɪ.tə.bəl/

Habitable

Meaning
suitable or good enough to live in
Example
The planet Mars may become habitable in the future.
B1 noun /əˈmjuːzmənt/

Amusement

Meaning
the state or experience of finding something funny; entertainment or recreational activities
Example
The children's laughter showed their amusement at the clown's performance.
B2 noun /rɪˈfjuː.zəl/

Refusal

Meaning
the act of saying no to something or not accepting something
Example
His refusal to cooperate made the project more difficult.
C1 adjective /ˈkɜːrsəri/

cursory

Meaning
Hasty and therefore not thorough or detailed.
Example
He gave the report only a cursory glance before the meeting.
C1 verb/noun /ˈsɒldər/

solder

Meaning
To join metal parts together by melting and putting a filler metal into the joint
Example
He soldered the broken wires back together.
C2 verb /ˈɑːbvieɪt/

obviate

Meaning
To remove a need or difficulty; to prevent or avoid something.
Example
This new system obviates the need for manual data entry.
B2 noun /ˈskɒl.ər/

Scholar

Meaning
a person who has studied a subject for a long time and knows a lot about it; an academic
Example
The renowned scholar published several books on ancient history.
A2 noun sɔːŋz

songs

Meaning
A short poem or other set of words set to music or meant to be sung.
Example
Listen to songs to learn pronunciation.
B1 noun /ˈæŋkəl/

ankle

Meaning
the joint connecting the foot with the leg
Example
He twisted his ankle while playing football.
C1 verb ɪˈluːd

elude

Meaning
Evade or escape from, typically in a skillful or cunning way; avoid being caught.
Example
The thief managed to elude the police.
B1 noun /kənˈteɪ.nər/

container

Meaning
A receptacle or box used for storage or transportation.
Example
Containers are essential for logistics.
B2 adjective /ˈfɪr.fəl/

fearful

Meaning
feeling afraid or showing fear
Example
She was fearful of walking alone at night.
A2 noun /ˈdaɪnɪŋ/

dining

Meaning
the act of eating a meal, especially in a formal setting
Example
We enjoyed fine dining at the new restaurant.
C1 noun /læʃ/

Lash

Meaning
an eyelash; a sharp blow with a whip or rope; to strike forcefully
Example
She carefully applied mascara to make her lashes look longer and darker.
C1 noun /ˌɡræt.ɪ.fɪˈkeɪ.ʃən/

gratification

Meaning
Pleasure, especially when gained from the satisfaction of a desire.
Example
The instant gratification of social media affects patience.
B2 adjective /trænˈspærənt/

Transparent

Meaning
allowing light to pass through; clear and obvious; honest and open
Example
The company maintains transparent business practices.
B1 adjective /ˈwaɪə.ləs/

Wireless

Meaning
operating without wires; using radio waves for communication
Example
My wireless headphones provide excellent sound quality without any cables.
C1 verb /lʌl/

lull

Meaning
to soothe or calm; to cause to sleep or rest
Example
The gentle music lulled the baby to sleep.
C1 noun /deɪˈbɑː.kəl/

debacle

Meaning
A sudden and ignominious failure; a fiasco.
Example
The company's poor management led to a financial debacle.
C1 noun /ˈkuːdɒs/

kudos

Meaning
Praise and honor received for an achievement.
Example
She received kudos for her excellent performance.
B2 noun /ˈkɒmənˌteɪtər/

commentator

Meaning
a person who reports and discusses events, especially on TV or radio
Example
The commentator described the football match in detail.
B1 noun /ˈdaɪəɡræm/

diagram

Meaning
a simplified drawing that shows the structure, relationship, or process of something
Example
The teacher explained the system using a clear diagram.
B1 adjective /ˈwɪl.ɪŋ/

Willing

Meaning
ready, eager, or prepared to do something
Example
She is willing to help with the project.
A2 verb /ˈmɑːrkɪt/

market

Meaning
to promote and sell products or services; to advertise
Example
The company will market their new product through social media.
A2 noun/verb /ˈaɪən/ or /ˈaɪərn/

iron

Meaning
a strong, hard metal used in construction; also to press clothes with heat
Example
He used an iron to smooth his shirt.
B1 noun, adjective, verb /tɛns/

tense

Meaning
a grammatical category showing time reference; stretched tight or anxious
Example
She felt tense before the interview.
C1 noun /haɪˈeɪtəs/

hiatus

Meaning
A pause or break in continuity of a process or activity.
Example
The show returned after a long hiatus.
C2 adjective /ˈkrɒtʃ.ə.ti/

crotchety

Meaning
bad-tempered, easily annoyed, and often complaining
Example
The crotchety old man yelled at the children for playing near his house.
C2 noun /ˈdæl.i.əns/

Dalliance

Meaning
a casual romantic or sexual relationship; a brief involvement or experiment
Example
His dalliance with photography lasted only a few months before he lost interest.
C1 adjective /ˈʃɑːdi/

shoddy

Meaning
badly made or done; of poor quality
Example
The contractor did a shoddy job on the repairs.
C2 adjective /ˈkjʊərətɪv/

curative

Meaning
Able to cure disease or restore health.
Example
The doctor prescribed a curative treatment for the illness.
C1 adjective /ʌnˈfɛtərd/

unfettered

Meaning
not restricted or confined; free
Example
The artist enjoyed unfettered freedom of expression.
C1 noun /mɪsˈɡɪvɪŋz/

misgivings

Meaning
feelings of doubt or concern about the outcome or propriety of something
Example
She had serious misgivings about signing the contract.
C1 noun, verb /əˈsɛnt/

assent

Meaning
To agree to something, especially after careful consideration; an expression of approval.
Example
She nodded her head in silent assent.
B2 noun /əˈbɔːrʃən/

abortion

Meaning
The deliberate termination of a human pregnancy, usually performed during the first 28 weeks.
Example
The debate about abortion continues to divide public opinion.