spontaneously
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C1 adverb spɒnˈteɪnɪəsli

spontaneously

Meaning
In a spontaneous way; naturally and without planning or external cause.
Example
Children learn spontaneously through peer interactions.
A2 noun /ʃeɪp/

Shape

Meaning
the external form or appearance of something; condition or state
Example
The artist drew a perfect circle shape on the canvas.
C2 verb /səˈbɔːrn/

suborn

Meaning
to bribe or induce someone unlawfully to perform an act, especially to commit perjury
Example
The lawyer was accused of trying to suborn a witness.
B2 verb /skwiːz/

squeeze

Meaning
to press something firmly, especially from all sides in order to extract or compress it
Example
She squeezed the toothpaste to get the last bit.
B1 adjective /ˈsensəbəl/

Sensible

Meaning
having or showing good sense; practical and reasonable
Example
It would be sensible to take an umbrella because it might rain.
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.
C2 verb /ˈsæŋktɪfaɪ/

sanctify

Meaning
to make holy or sacred; to purify
Example
The priest will sanctify the marriage ceremony.
C2 noun /sɛkˈstɛt/

sextet

Meaning
a group of six people playing music or a piece written for six performers
Example
The jazz sextet filled the small club with a warm, layered sound.
C1 noun /suˈpriː.mə.si/

Supremacy

Meaning
the state of being supreme; highest authority or power
Example
The country established naval supremacy in the region.
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.
B2 noun /siːdʒ/

siege

Meaning
A military operation in which a place is surrounded to force its surrender.
Example
The castle fell after a long siege.
B1 adjective /ˈsuːtəbl/

suitable

Meaning
appropriate or right for a particular person, purpose, or situation
Example
This dress is suitable for the wedding.
C2 noun /slaɪt/

sleight

Meaning
Skill or dexterity, especially in performing tricks.
Example
The magician amazed the crowd with his sleight of hand.
C2 adjective /spraɪ/

spry

Meaning
active and lively, especially in old age
Example
The spry grandmother surprised everyone with her quick dance steps.
C1 adjective /skænt/

Scant

Meaning
barely sufficient; inadequate; small in amount
Example
There was scant evidence to support his claim.
B2 noun /ˈsʌb.sɪ.di/

subsidy

Meaning
Financial assistance provided by government to reduce costs of goods or services.
Example
The government provides a fuel subsidy to control prices.
B2 noun /ˈsɛm.ɪ.nɑːr/

seminar

Meaning
A meeting for discussion or training, especially in an academic setting.
Example
The professor invited all students to attend the seminar on climate change.
B2 verb /sɜːrdʒ/

surge

Meaning
to move suddenly and powerfully forward or upward
Example
The crowd surged forward when the gates opened.
A2 noun /ˈsɪk.nəs/

Sickness

Meaning
the state of being ill; a disease or illness
Example
She took time off work due to sickness.
B2 noun/verb /stʌmp/

stump

Meaning
the base of a tree left after the trunk is cut down; to puzzle or confuse
Example
The question completely stumped the students.
B1 noun /ˈsɛtɪŋ/

setting

Meaning
the environment or place where something happens
Example
The setting of the movie was a beautiful beach.
B2 noun /ˈsɪmpəθi/

Sympathy

Meaning
feelings of pity and sorrow for someone else's misfortune
Example
She expressed her sympathy for the victims of the accident.
C2 verb /sʌbˈtɛnd/

subtend

Meaning
To extend across or form an angle at a particular point, often used in geometry.
Example
The arc subtends a 60-degree angle at the center of the circle.
C1 adjective /ˈsɔːsi/

saucy

Meaning
Boldly rude, cheeky, or playfully disrespectful.
Example
The child gave a saucy reply to his teacher.
C2 noun /ˈsælvər/

salver

Meaning
A tray, typically made of silver, used for serving food or drinks.
Example
The butler brought in the tea on a silver salver.
C1 verb/noun /snɑːrl/

snarl

Meaning
to growl aggressively with bared teeth; a tangle or mess
Example
The dog snarled at the stranger near the gate.
B2 verb /skreɪp/

scrape

Meaning
to remove or damage the surface of something by rubbing or scratching; to collect something by effort
Example
He scraped his knee while playing football.
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 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.
C2 adjective /ˈstɪdʒiən/

stygian

Meaning
extremely dark, gloomy, or forbidding
Example
They walked through the stygian cave with torches.
B1 noun /ˈsʌb.ɜːb/

Suburb

Meaning
a residential area outside the central part of a city; an outlying district of a city
Example
They moved to a quiet suburb to raise their children away from city noise.
C1 noun /ˈstætʃər/

stature

Meaning
A person's natural height or their reputation and importance.
Example
Her intellectual stature made her a respected figure in academia.
B2 verb /ˈʃætər/

shatter

Meaning
To break suddenly into many small pieces.
Example
The glass will shatter if you drop it.
B2 verb /ˈsʌməraɪz/

summarize

Meaning
To give a brief statement of the main points of something
Example
She summarized the report in just a few minutes.
A1 noun /ˈstɔːri/

story

Meaning
a narrative of real or imaginary events
Example
She told a fascinating story about her travels.
C1 noun /ˈstaɪpend/

Stipend

Meaning
a fixed regular sum paid as a salary or allowance
Example
The research student receives a monthly stipend for living expenses.
B2 noun /ˈsnoʊ.fɔːl/

Snowfall

Meaning
the process of snow falling from the sky; the amount of snow that falls
Example
The heavy snowfall blocked all the roads yesterday.
C2 adjective /ˈspaɪnəs/

spinous

Meaning
Having spines or thorn-like projections
Example
The spinous cactus was difficult to handle without gloves.
B2 noun/verb /swɑːmp/

swamp

Meaning
An area of low-lying, uncultivated ground where water collects; a bog or marsh.
Example
The village was built near a swamp.
B2 adjective /ˈsændi/

Sandy

Meaning
covered with sand; containing sand; having the texture of sand
Example
The sandy beach stretched for miles along the coast.
C2 noun /ˈslæt.ən/

slattern

Meaning
a woman who is untidy or slovenly in appearance or habits
Example
The house looked as if a slattern lived there.
B1 verb /spɛl/

spell

Meaning
to write or name the letters of a word in order; to mean or result in something
Example
Can you spell your name for me?
B2 noun/verb /ˈsæd.əl/

saddle

Meaning
A seat fastened on the back of a horse for riding; to burden someone with a responsibility.
Example
He saddled the horse before going for a ride.
C1 noun /ˈsɔː.dʌst/

sawdust

Meaning
The tiny particles of wood produced by sawing or sanding.
Example
The floor was covered with sawdust from the carpentry work.
C2 verb /ˈsɛreɪt/

serrate

Meaning
To make a saw-toothed edge or notched margin.
Example
The craftsman serrated the knife blade for better cutting.
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.
B1 noun /ˈʃoʊldər/

Shoulder

Meaning
the part of the body between the neck and the arm
Example
He carried the bag over his shoulder.
B1 noun /ˈspiːʃiːz/

Species

Meaning
a group of living organisms that can reproduce with each other; a type or kind
Example
The Amazon rainforest is home to thousands of animal species.
B2 noun /ˈsɛnətər/

senator

Meaning
a member of a senate, especially in a legislative body
Example
The senator spoke passionately about environmental policies.
B2 adverb /ˈsɛp.ər.ət.li/

separately

Meaning
in a way that is apart or individually; not together
Example
They decided to travel separately to the conference.
C2 noun /sʌnd raɪs/

Sunned rice

Meaning
Rice that has been dried in the sun; parched rice
Example
The farmers spread the sunned rice on mats to dry completely.
A2 adjective /ˈskeəri/

scary

Meaning
causing fear or making you feel frightened
Example
That horror movie was really scary.
B1 noun /ˈsʌb.weɪ/

Subway

Meaning
an underground railway system; an underground passage for pedestrians
Example
I take the subway to work every morning because it's faster than driving.
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 /ˈsæl.mən fɪʃ / ˈroʊ.huː/

Salmon fish / Rohu

Meaning
a freshwater fish popular in South Asian cuisine; also refers to salmon which is a different species
Example
Rohu fish is commonly prepared with spices in Bengali households.
B2 noun ˈsʌbstɪˌtut

substitute

Meaning
A person or thing acting or serving in place of another.
Example
Money cannot be a substitute for genuine happiness.
B2 noun /ˈstɑːrt.ʌp/

startup

Meaning
A newly established business, especially a small technology or business company that is just beginning operations.
Example
The startup secured funding from investors.
B1 verb /stæmp/

stamp

Meaning
To bring down (one's foot) heavily on the ground; to imprint a mark or seal.
Example
She stamped her foot in frustration.
C2 adjective /stəˈkɑː.təʊ/

staccato

Meaning
short and detached in sound or style, often used in music
Example
The pianist played the notes in a staccato rhythm.
C1 adjective /ˈspeɪʃəl/

spatial

Meaning
relating to space or the position, area, and size of things
Example
The scientist studied the spatial arrangement of stars.
B2 noun /ˈsɑːrˌkæzəm/

sarcasm

Meaning
The use of irony to mock or convey contempt.
Example
His sarcasm often made people laugh but sometimes offended them.
B2 noun /skɛtʃ/

sketch

Meaning
a simple, rough drawing or outline
Example
He made a quick sketch of the landscape.
B2 noun /ˈsɪɡ.nəlz/

signals

Meaning
A gesture, action, or sound conveying information or instructions.
Example
Signals from deep space were detected last week.
A2 noun /ˈsɪriz/

Series

Meaning
a number of events, objects, or people of a similar or related kind coming one after another; a set of related television or radio programmes
Example
The detective series ran for five successful seasons.
C2 adjective /ˈsuːpaɪn/

supine

Meaning
Lying on the back, face upward; failing to act due to laziness or weakness.
Example
He lay supine on the grass, staring at the stars.
C2 noun /ˈsɒfɪst/

sophist

Meaning
a person who uses clever but misleading arguments
Example
He was dismissed as a sophist who twisted facts to win debates.
B2 noun /steɪn/

Stain

Meaning
a colored patch or dirty mark that is difficult to remove; a blemish or damage to reputation
Example
There was a coffee stain on his white shirt.
B2 noun /siːdʒ/

Sieze

Meaning
a military operation to capture a place by surrounding it and cutting off supplies
Example
The siege of the castle lasted for three months.
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.
A2 noun /səˈpraɪz/

surprise

Meaning
a sudden and unexpected event or situation
Example
His arrival was a pleasant surprise.
A1 verb /send/

send

Meaning
to cause something to go or be taken to a particular destination; to transmit
Example
I will send you an email with the details.
B2 adjective /ˈspɛʃəˌlaɪzd/

specialized

Meaning
designed or developed for a particular purpose or function
Example
He has a specialized knowledge of ancient civilizations.
B1 noun /ˈsteɪtəs/

status

Meaning
the social or professional position or condition of someone or something
Example
His social status improved after the promotion.
B2 noun ˈsəʊ.lər ˈen.ə.dʒi

solar energy

Meaning
Energy from the sun that is converted into thermal or electrical energy.
Example
Solar energy is vital for reducing carbon emissions.
B1 noun /stoʊv/

Stove

Meaning
a kitchen appliance used for cooking food by applying heat
Example
She cooked dinner on the gas stove.
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 noun /straɪf/

strife

Meaning
angry or violent conflict; struggle or discord
Example
The region has been torn apart by political strife.
A2 noun /ˈsɪz.ərz/

Scissors

Meaning
a cutting instrument with two sharp blades that are joined and work against each other
Example
She used scissors to cut the paper into small pieces.
C2 noun /ˌsuː.pər.əˈbʌn.dəns/

superabundance

Meaning
An excessive or overflowing amount of something.
Example
The garden was filled with a superabundance of flowers.
B2 adverb /ˈsɒftli/

softly

Meaning
in a gentle or quiet way.
Example
She spoke softly so as not to wake the baby.
C1 adjective /sɔɪld/

soiled

Meaning
dirty or stained; not clean
Example
His clothes were soiled after playing in the mud.
C1 noun ˈsɒv.rɪn.ti

sovereignty

Meaning
The authority of a state to govern itself or another state; supreme power or authority.
Example
Sovereignty is essential for a nation's identity.
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.
C2 adjective /səˈdʒɛstəbəl/

suggestible

Meaning
easily influenced by the suggestions of others
Example
Children are highly suggestible and may believe what they are told.
C1 adjective /ˈstrɪndʒənt/

stringent

Meaning
strict, precise, and exacting
Example
The government imposed stringent measures during the crisis.
B2 noun /ˈspɛk.tə.kəl/

spectacle

Meaning
An impressive display or performance for viewers.
Example
The fireworks created a breathtaking spectacle in the night sky.
C2 verb /ˈsʌbdʒʊˌɡeɪt/

subjugate

Meaning
To bring under domination or control, especially by conquest.
Example
The empire sought to subjugate the neighboring kingdoms.
A2 adjective /ˈspænɪʃ/

spanish

Meaning
relating to Spain or the Spanish language
Example
She is fluent in Spanish and French.
C1 noun /sərˈveɪər/

surveyor

Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
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 noun /ˈskaɪ.lɑːrk/

Sky-Lark

Meaning
a small brown bird known for singing while flying high in the sky
Example
The skylark sang beautifully as it soared above the meadow.
B2 adjective /ˈspaɪ.rəl/

Spiral

Meaning
winding in a continuous curve; helical
Example
The spiral staircase led to the top floor.
C1 verb /ˈsætəˌraɪz/

satirize

Meaning
to mock or criticize something using satire
Example
The play satirizes the greed of modern corporations.
B2 noun, verb /sɪn/

sin

Meaning
an immoral act considered to be a transgression against divine law; to commit an offense against religious or moral law
Example
He confessed his sin to the priest.
C2 adjective /ˈsɛrid/

serried

Meaning
pressed or crowded together, often in rows or ranks
Example
The soldiers stood in serried ranks, ready for inspection.
C1 verb /ˈstɪɡmətaɪz/

stigmatize

Meaning
to describe or regard someone as worthy of disgrace or disapproval
Example
People with certain illnesses are often unfairly stigmatized.
C1 noun ˈsɛlf pəˈzɪʃən

self-possession

Meaning
The quality of being calm and confident and in control of one's emotions; composure.
Example
His self-possession during the crisis was remarkable.
A1 verb /stænd/

stand

Meaning
to be in an upright position; to tolerate or endure
Example
Please stand up when the teacher enters.
C2 noun /ˌsɪnjuˈɒsɪti/

sinuosity

Meaning
The quality or state of being winding, curving, or having many turns.
Example
The sinuosity of the river made navigation challenging.
C1 verb /smɪr/

smear

Meaning
to spread or apply a substance messily; to damage someone's reputation with false or unfair words
Example
The child smeared paint across the wall.
B1 noun ˈsɪs.təmz

systems

Meaning
A set of connected things or parts forming a complex whole.
Example
Effective systems improve productivity.
B2 adjective /ˈstʌf.i/

Stuffy

Meaning
lacking fresh air; poorly ventilated; formal and conservative in attitude
Example
The room was stuffy and needed fresh air.
C1 adjective, verb /sɪˈdeɪt/

sedate

Meaning
calm, quiet, and composed; or to administer a drug to make someone calm or sleep
Example
The nurse sedated the patient before the operation.
C1 noun /stents/

stents

Meaning
Small mesh tubes used to treat narrow or blocked arteries.
Example
Stents were successfully placed using robotic techniques.
A2 noun /stɛə/

stair

Meaning
a step or set of steps leading from one level to another
Example
He tripped on the stair and fell down.
C1 adjective /ˈskɪtɪʃ/

skittish

Meaning
easily frightened or nervous; unpredictable
Example
The horse was too skittish to ride.
B1 adverb /sɪɡˈnɪfɪkəntli/

significantly

Meaning
in a way that is large or important enough to have an effect
Example
The economy has significantly improved over the last decade.
B1 noun /ˈsaɪdˌwɔːk/

sidewalk

Meaning
a paved path for pedestrians at the side of a street.
Example
Children were playing on the sidewalk.
C2 adjective /ˌsuːdəˈrɪfɪk/

sudorific

Meaning
causing or increasing sweating
Example
The doctor prescribed a sudorific drug to help reduce the fever.
B2 adjective /sɔːr/

sore

Meaning
painful or aching, usually in a specific part of the body
Example
After the long run, my legs were sore.
B2 noun /ˈspəʊkswɪmən/

spokeswoman

Meaning
a woman who speaks on behalf of a group or organization
Example
The spokeswoman for the company announced the new product.
B1 noun /ˈseɪ.ɪŋ/

Saying

Meaning
a well-known phrase that expresses something true about life; a proverb
Example
There's an old saying that practice makes perfect.
B2 verb /ˈstreɪtən/

straighten

Meaning
to make something straight or tidy; to correct or organize
Example
She straightened her hair before the meeting.
C1 verb /ˈskwɒbəl/

squabble

Meaning
To argue noisily over something small or unimportant.
Example
The children squabbled over the last piece of cake.
A1 noun /ˈʃʊɡər/

Sugar

Meaning
sweet crystalline substance used as a sweetener
Example
Please add two teaspoons of sugar to my coffee.
A2 adjective /sɔft/

Soft

Meaning
not hard or firm; gentle; quiet; tender
Example
The pillow is very soft and comfortable.
C1 verb /ˈswɪndl/

swindle

Meaning
to cheat someone out of money or possessions by deceit
Example
The con artist tried to swindle the old man out of his savings.
B2 adjective /ˈspiː.di/

Speedy

Meaning
moving or happening quickly; fast
Example
The speedy delivery service arrived within an hour.
C2 noun /ˈsɛpəlˌtʃər/

Sepulture

Meaning
the act of burying a dead body; burial; a grave or tomb
Example
The ancient king's sepulture was discovered by archaeologists.
B1 adverb /ˈsædli/

sadly

Meaning
in a sorrowful or unhappy manner
Example
She sadly waved goodbye as the train departed.