Shack
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C1 noun /ʃæk/

Shack

Meaning
a small, crudely built dwelling; a poorly constructed building
Example
The fisherman lived in a small shack near the beach.
C1 noun /ˈstɒpɪdʒ/

stoppage

Meaning
The act of stopping or ceasing; a halt in operation or activity
Example
The sudden stoppage of the train caused delays for all passengers.
C1 adjective /ˈsleɪ.vɪʃ/

slavish

Meaning
showing no originality; completely imitative or overly submissive
Example
His slavish devotion to tradition prevented any innovation.
C1 verb /ˈstoʊnwɔːl/

stonewall

Meaning
To delay or block progress by refusing to cooperate or answer
Example
The witness tried to stonewall during the investigation.
C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
C1 adjective /ˈspjʊəriəs/

spurious

Meaning
Not genuine, authentic, or true; false or fake.
Example
The report was based on spurious claims.
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 /ˈstrætɪfaɪd/

stratified

Meaning
arranged or classified in layers or strata
Example
Society in the past was highly stratified based on class and wealth.
C1 adjective skiˈmæt.ɪk

Schematic

Meaning
Presenting some framework or concept briefly
Example
The engineer provided a schematic diagram of the project.
C1 noun /ˈstæl.i.ən/

stallion

Meaning
An adult male horse that is not castrated, often used for breeding.
Example
The farm owns a powerful stallion for breeding purposes.
C1 noun, adjective, verb /ʃæm/

sham

Meaning
something that is not what it appears to be; a false or fake thing; to pretend
Example
The deal turned out to be a sham.
C1 noun /ˈsɒl.ɪs/

Solace

Meaning
comfort or consolation in a time of distress or sadness
Example
She found solace in music after her loss.
C1 adjective /ˈswoʊlən/

swollen

Meaning
Enlarged or puffed up, usually due to injury, inflammation, or fluid accumulation
Example
Her ankle was swollen after she twisted it during the hike.
C1 adjective ˈsɪŋ.krə.nəs

synchronous

Meaning
Existing or occurring at the same time.
Example
Synchronous learning involves live online classes.
C1 verb /ˈsælvɪdʒ/

salvage

Meaning
To save something from loss, damage, or destruction.
Example
They managed to salvage some goods from the fire.
C1 verb /ˈsɔːntər/

saunter

Meaning
to walk in a slow, relaxed manner without hurry or effort
Example
We sauntered along the riverside, stopping now and then to watch the boats.
C1 adverb spɒnˈteɪnɪəsli

spontaneously

Meaning
In a spontaneous way; naturally and without planning or external cause.
Example
Children learn spontaneously through peer interactions.
C1 noun /səbˈvɜːrʒən/

subversion

Meaning
the act of trying to destroy or undermine an established system or authority
Example
The government accused the rebels of planning subversion.
C1 noun, adjective /ˈsɒlvənt/

solvent

Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
C1 noun ˌsɛlf.rɪˈstreɪnt

self-restraint

Meaning
The practice of restraining oneself from indulging in something, typically an impulse or desire.
Example
Practicing self-restraint helps in avoiding impulsive decisions.
C1 noun /səˈprɛʃən/

suppression

Meaning
the act of forcibly stopping something or holding back feelings or actions
Example
The suppression of free speech led to protests.
C1 adjective /ˈseɪlaɪn/

Saline

Meaning
containing salt; salty; relating to salt water
Example
The saline solution is used for medical treatments.
C1 noun ˌsteɪbəlaɪˈzeɪʃən

stabilization

Meaning
The process of making or becoming stable.
Example
The stabilization of the structure was essential after the earthquake.
C1 noun /ˈsɪmətri/

symmetry

Meaning
the quality of having balanced proportions or identical parts facing each other
Example
The building’s symmetry impressed the visitors.
C1 adjective /səˈdʒɛstɪv/

suggestive

Meaning
tending to suggest ideas or images; sometimes implies something sexual or provocative
Example
The painting was highly suggestive and sparked much debate.
C1 adjective /ˈsʌltri/

sultry

Meaning
Uncomfortably hot and humid; also describes someone attractive in a passionate or sensual way.
Example
The sultry weather made it hard to focus on work.
C1 noun ˈsɪmbəlɪzəm

symbolism

Meaning
The use of symbols to represent ideas or qualities.
Example
The use of symbolism in the novel is masterful.
C1 noun /ˈʃær.ən fruːt/

Sharon fruit

Meaning
a sweet orange persimmon fruit that can be eaten when firm
Example
The Sharon fruit is sweet and can be eaten like an apple.
C1 verb ˈsɪn.θə.saɪ.zɪŋ

synthesizing

Meaning
Combine (a number of things) into a coherent whole.
Example
He excels in synthesizing ideas from different sources.
C1 noun/verb /spuːf/

spoof

Meaning
A humorous imitation of something, or to trick or parody someone or something.
Example
The comedian spoofed the politician’s speech to entertain the audience.
C1 noun /ˈstænzə/

stanza

Meaning
a group of lines forming a unit in a poem or song
Example
The poem begins with a stanza describing nature.
C1 adverb /suːˈpɜːb.li/

Superbly

Meaning
in an excellent or outstanding manner
Example
She performed superbly in the dance competition.
C1 verb /ʃʌn/

Shun

Meaning
to deliberately avoid or stay away from someone or something
Example
He shuns public attention and prefers privacy.
C1 adjective /ˈsaɪt.ləs/

Sightless

Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
C1 adjective /ˈsʌbstəntɪv/

substantive

Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
C1 verb /ʃɜːrk/

shirk

Meaning
to avoid or neglect a duty or responsibility
Example
He always tries to shirk his responsibilities at work.
C1 noun /ˈspɛkjʊˌleɪtər/

speculator

Meaning
A person who forms theories without evidence, or invests in assets hoping for profit.
Example
The real estate speculator bought land hoping its value would rise.
C1 adjective /ˈskrɔːni/

scrawny

Meaning
very thin and bony, often looking unhealthy
Example
The scrawny boy could barely lift the heavy bag.
C1 verb /ˌsuːpərˈsiːd/

supersede

Meaning
To replace or take the place of something because it is more modern or effective.
Example
This new law will supersede the old regulations.
C1 verb /splaɪs/

splice

Meaning
to join two pieces of rope, film, or other material by weaving or attaching them together
Example
The technician spliced the two wires to restore the connection.
C1 verb /ˈsɪnɚdʒaɪzd/

synergized

Meaning
Combine in such a way that the total effect is greater than the sum of the individual effects.
Example
The teams were synergized to maximize productivity.
C1 adverb /ˈsɜːrtʃɪŋli/

searchingly

Meaning
In a way that seems to look for hidden meanings or truth.
Example
She looked at him searchingly, hoping for an honest answer.
C1 adjective /ˌsɛrənˈdɪpɪtəs/

serendipitous

Meaning
Occurring or discovered by chance in a happy or beneficial way.
Example
Their meeting at the café was purely serendipitous.
C1 adjective sɪˈmæn.tɪk

semantic

Meaning
Related to meaning in language; concerning the interpretation of words and sentences.
Example
AI models use semantic analysis to understand context.
C1 adjective /ˈsɪn.tɪ.leɪ.tɪŋ/

scintillating

Meaning
brilliantly clever, exciting, or sparkling
Example
Her scintillating conversation kept everyone entertained.
C1 noun /ˌsɛnsəˈbɪləti/

Sensibility

Meaning
the ability to appreciate and respond to complex emotional or aesthetic influences; sensitivity
Example
Her artistic sensibility made her appreciate fine details in paintings.
C1 adjective /ˈsɔːsi/

saucy

Meaning
Boldly rude, cheeky, or playfully disrespectful.
Example
The child gave a saucy reply to his teacher.
C1 noun /ˈskep.tɪ.sɪ.zəm/

skepticism

Meaning
A skeptical attitude; doubt as to the truth of something.
Example
His skepticism about new technology often makes him resistant to change.
C1 noun /skwɔːl/

squall

Meaning
a sudden violent gust of wind, often accompanied by rain, snow, or sleet
Example
A sudden squall caught the sailors off guard.
C1 verb /ˈʃɪmər/

shimmer

Meaning
To shine with a soft, wavering light.
Example
The lake shimmered under the moonlight.
C1 noun /səbˈmɪtəl/

submittal

Meaning
the act of submitting something, especially a document for consideration or approval
Example
The contractor sent the submittal to the client for approval.
C1 noun səˌsɛp.təˈbɪl.ə.ti

susceptibility

Meaning
The quality of being likely to be influenced or harmed by a particular thing; vulnerability.
Example
High susceptibility to infections requires extra care.
C1 noun /slæb/

slab

Meaning
a large, thick, flat piece of stone, concrete, or other hard material
Example
The workers laid a concrete slab for the foundation.
C1 adjective /stɔːntʃ/

staunch

Meaning
Loyal, committed, and firm in support.
Example
She is a staunch supporter of environmental protection.
C1 noun /ˈskæf.əld/

Scaffold

Meaning
a temporary structure used by workers to stand on when building or repairing something high; a platform for execution
Example
The workers erected a scaffold to paint the building's exterior.
C1 noun /sɪˈdʌk.ʃən/

Seduction

Meaning
the action of seducing someone; temptation to do something wrong
Example
He fell victim to the seduction of easy money.
C1 verb /ˈstaɪfl/

stifle

Meaning
to prevent or restrain an action, idea, or emotion; to suffocate
Example
She tried to stifle a laugh during the serious meeting.
C1 noun /sərˈveɪər/

surveyor

Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
C1 verb /ˈsɪmjʊˌleɪt/

simulate

Meaning
to imitate the appearance, character, or behavior of something; to pretend or reproduce conditions artificially
Example
The pilot had to simulate an emergency landing during training.
C1 noun /speɪt/

spate

Meaning
a large number of things occurring in quick succession
Example
There has been a spate of robberies in the city.
C1 noun /ˈsaɪnəs/

sinus

Meaning
A cavity within a bone or tissue, especially those in the bones of the face connected with the nasal cavities.
Example
He suffered from a sinus infection that caused headaches.
C1 noun /ˌstætɪˈstɪʃən/

statistician

Meaning
A person who specializes in collecting, analyzing, and interpreting numerical data.
Example
The statistician presented the survey results with great clarity.
C1 verb /ˈskwɒbəl/

squabble

Meaning
To argue noisily over something small or unimportant.
Example
The children squabbled over the last piece of cake.
C1 noun /ˈsaɪ.ən/

scion

Meaning
a descendant of a wealthy, aristocratic, or influential family
Example
He is the scion of a wealthy industrialist family.
C1 adjective /ˌsɛlf əbˈzɔːrbd/

self-absorbed

Meaning
Excessively preoccupied with oneself and one’s own thoughts, feelings, or interests.
Example
He was too self-absorbed to notice his friend's distress.
C1 adjective ˌsɪn.əˈdʒɪs.tɪk

synergistic

Meaning
Relating to the interaction of elements that when combined produce a greater effect than the sum of their individual effects.
Example
A synergistic effect occurs when nutrients work together.
C1 noun /ˈspɔɪlˌspɔːrt/

spoilsport

Meaning
A person who ruins other people's enjoyment or fun.
Example
Don't be a spoilsport and let us enjoy the party.
C1 verb /ˈsɪn.θə.saɪz/

synthesize

Meaning
To combine a number of things into a coherent whole.
Example
Scientists synthesize new compounds for medical research.
C1 noun /ˈsɔːjər/

Sawyer

Meaning
a person who saws wood, especially as an occupation
Example
The skilled sawyer cut the logs into planks.
C1 verb /sɪˈsiːd/

secede

Meaning
To formally withdraw from a political or organizational union.
Example
Several states threatened to secede from the union.
C1 noun ˈsæŋktɪti

sanctity

Meaning
The state or quality of being holy, sacred, or saintly; ultimate importance.
Example
The sanctity of life should never be compromised.
C1 adjective /səˈsɛp.tə.bəl/

susceptible

Meaning
Likely or liable to be influenced or harmed by a particular thing.
Example
Children are more susceptible to infections.
C1 adjective /ʃruːd/

Shrewd

Meaning
having or showing sharp powers of judgment; astute
Example
The shrewd businessman made a profitable deal in the competitive market.
C1 adjective /ˈsʌn.dri/

sundry

Meaning
Various or miscellaneous.
Example
The shop sells fruits, clothes, and sundry items.
C1 verb /ʃʌnt/

shunt

Meaning
to move or turn aside; to push or divert from one track to another
Example
The train was shunted onto a different track.
C1 noun, verb /strænd/

strand

Meaning
Noun: A single thin length of thread, wire, or similar. Verb: To leave someone or something without a way of moving or leaving.
Example
The storm stranded many tourists on the island.
C1 adjective /səˈnɔːrəs/

sonorous

Meaning
Deep, full, and rich in sound.
Example
The actor's sonorous voice filled the entire theater.
C1 noun /səˈnɑːtə/

sonata

Meaning
A musical composition for one or more instruments, typically in several movements.
Example
She performed a beautiful Beethoven sonata on the piano.
C1 adjective /ˈspɑːrtn/

spartan

Meaning
showing simplicity and lack of luxury; austere
Example
He lived in a spartan room with just a bed and a chair.
C1 verb /ˈstriːmlaɪnɪŋ/

streamlining

Meaning
The process of making an organization or system more efficient by simplifying or eliminating unnecessary steps
Example
Streamlining processes can significantly reduce operational costs.
C1 adjective /səbˈmɪs.ɪv/

Submissive

Meaning
ready to obey others; yielding to authority; humble and compliant
Example
She became submissive after years of harsh treatment.
C1 noun /ˈsɑːri/

Saree

Meaning
a garment consisting of a length of cotton or silk elaborately draped around the body, traditionally worn by women from South Asia
Example
She looked elegant in her red silk saree at the festival.
C1 adjective /ˈstɔːlwərt/

stalwart

Meaning
Loyal, reliable, and hardworking; strongly built or sturdy.
Example
She has always been a stalwart supporter of the community.
C1 noun ˈsɒl.vən.si

solvency

Meaning
The possession of assets in excess of liabilities; ability to pay debts.
Example
The company's solvency improved after restructuring.
C1 adjective /ˈsek.j ə.l ər/

Secular

Meaning
not connected with religious or spiritual matters; worldly
Example
The country maintains a secular government that separates religion from politics.
C1 verb /snʌb/

snub

Meaning
to insult or ignore someone by treating them rudely
Example
He felt hurt when his invitation was snubbed.
C1 adjective /spəˈrædɪk/

sporadic

Meaning
Occurring irregularly or in scattered instances rather than continuously.
Example
The region experienced sporadic rain showers throughout the week.
C1 adjective /ˌsɛlf ˈraɪtʃəs/

self-righteous

Meaning
Having or showing an attitude of moral superiority; believing one’s own beliefs are the only right ones.
Example
His self-righteous comments made everyone uncomfortable.
C1 noun /skraɪb/

scribe

Meaning
a person who writes documents, especially in ancient times; a professional copyist
Example
In ancient Egypt, scribes recorded important events.
C1 verb/noun /ˈswæɡ.ər/

swagger

Meaning
To walk or behave in a very confident and arrogant way.
Example
He swaggered into the room as if he owned the place.
C1 verb /səˈkʌm/

succumb

Meaning
To give in to pressure, temptation, or illness; to yield or fail to resist.
Example
He finally succumbed to his illness after a long struggle.
C1 noun স্ক্রোলিং অ্যাডিকশন

scrolling addiction

Meaning
A compulsive need to continuously scroll through content on digital devices, particularly smartphones and social media platforms.
Example
Scrolling addiction is a growing concern among smartphone users.
C1 noun /ˈslændər/

Slander

Meaning
the action of making false spoken statements damaging to someone's reputation
Example
The politician sued the newspaper for slander.
C1 noun /sɪˈkriː.ʃən/

Secretion

Meaning
a process by which substances are produced and discharged from a cell or gland
Example
Insulin secretion is crucial for blood sugar regulation.
C1 adjective /smʌɡ/

smug

Meaning
having or showing an excessive pride in oneself or one's achievements
Example
He wore a smug smile after winning the debate.
C1 adjective /ˌsuːɪˈsaɪdəl/

Suicidal

Meaning
relating to or having thoughts of killing oneself; extremely dangerous or harmful
Example
The reckless driving was suicidal behavior.
C1 adjective /səkˈsɪŋkt/

succinct

Meaning
Briefly and clearly expressed; characterized by clear, precise expression in few words.
Example
His speech was succinct and impactful.
C1 noun ˈsʌs.tɪ.nəns

Sustenance

Meaning
Food or support necessary for sustaining life
Example
Water is essential for human sustenance.
C1 noun /ˈskɛptɪk/

skeptic

Meaning
A person who doubts or questions accepted beliefs or claims.
Example
The scientist was a skeptic of theories without solid evidence.
C1 verb /siːð/

seethe

Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
C1 adjective /ˌsækrəˈlɪdʒəs/

sacrilegious

Meaning
Showing disrespect or irreverence toward something sacred.
Example
The painting was criticized as being sacrilegious.
C1 noun /ˈʃrɪŋkɪdʒ/

shrinkage

Meaning
The process of becoming smaller in size, amount, or value.
Example
The company reported a shrinkage in profits this quarter.
C1 noun /ˈsaɪd.laɪn dɪˈskʌʃənz/

sideline discussions

Meaning
Informal or secondary conversations that occur outside the main agenda of a formal meeting.
Example
Sideline discussions often lead to agreements.
C1 verb, noun /sæp/

sap

Meaning
As a noun: the vital fluid in plants; As a verb: to gradually weaken or drain strength.
Example
The long journey began to sap his energy.
C1 adjective /ˌsuː.pəˈsɒn.ɪk/

Supersonic

Meaning
faster than the speed of sound; relating to speeds greater than the speed of sound
Example
The supersonic jet broke the sound barrier.
C1 verb /slɪŋ/

sling

Meaning
to throw or hang something roughly or carelessly
Example
He slung his bag over his shoulder before leaving.
C1 adjective /ˈstɒdʒi/

stodgy

Meaning
Dull, uninspired, or old-fashioned; also heavy and hard to digest when referring to food.
Example
The lecture was so stodgy that many students struggled to stay awake.
C1 verb /səˈfɪstɪkeɪt/

sophisticate

Meaning
to make something more complex or refined; to educate or develop in taste and manners
Example
Traveling abroad helped sophisticate his worldview.
C1 verb /ˈswɛltər/

swelter

Meaning
to suffer from intense heat
Example
We began to swelter in the midday sun.
C1 verb /smɛlt/

smelt

Meaning
to extract metal from its ore by heating and melting
Example
The workers smelt iron from its ore in the factory.
C1 adjective /ˌsʌbˈkɒn.ʃəs/

subconscious

Meaning
Of or concerning the part of the mind which one is not fully aware of but which influences actions and feelings.
Example
Fears often come from the subconscious mind.
C1 adjective /sɪˈmɛtrɪkəl/

symmetrical

Meaning
having parts on either side that match or are the same in shape, size, or arrangement
Example
The artist designed a symmetrical pattern on the floor.
C1 noun /səbˈmɜːrdʒəns/

submergence

Meaning
the act or process of being submerged or going underwater
Example
The submergence of coastal areas is a major concern due to rising sea levels.
C1 /ʃrɛd/

shred

Meaning
to tear or cut something into small pieces
Example
She shredded the old documents before throwing them away.
C1 adjective /ˈsɜːrli/

surly

Meaning
bad-tempered and unfriendly
Example
The waiter gave us a surly look when we asked for more water.
C1 adjective /səˈdɪs.tɪk/

sadistic

Meaning
Deriving pleasure from inflicting pain or suffering on others.
Example
The villain had a sadistic smile while hurting his enemies.
C1 adjective /ˈsaʊnd.pruːf/

Sound-proof

Meaning
impervious to sound; preventing sound from entering or leaving
Example
The recording studio has sound-proof walls.
C1 noun/verb /stæmˈpiːd/

stampede

Meaning
A sudden, uncontrolled rush of people or animals; to cause a mass movement.
Example
The loud noise caused a stampede of the crowd.
C1 noun /ˈsɪndɪkət/

syndicate

Meaning
A group of individuals or organizations combined to promote a common interest or carry out a business venture.
Example
A syndicate of investors bought the struggling company.
C1 adjective /ˈstætʃətɔːri/

statutory

Meaning
Required, permitted, or enacted by law.
Example
The company must comply with all statutory regulations.
C1 verb /skʌf/

scuff

Meaning
to mark or scratch the surface of something by rubbing
Example
He scuffed his shoes on the pavement.