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C1 noun /ˈsəʊdiəm/

sodium

Meaning
a soft, silver-white chemical element that is highly reactive and found in salt.
Example
Sodium is an essential element for maintaining fluid balance in the body.
B1 adverb /səˈpraɪzɪŋli/

surprisingly

Meaning
in a way that causes surprise or amazement
Example
Surprisingly, she finished the entire project in just one day.
C1 noun /sɪlk klɔːθ/

Silk cloth

Meaning
fabric made from natural fibers produced by silkworms
Example
The bride wore a beautiful dress made of silk cloth.
A2 verb /swɪm/

swim

Meaning
to move through water using body movements
Example
I love to swim in the ocean during summer.
A2 proper noun /ˌsaʊθ əˈmɛrɪkə/

south america

Meaning
a continent located in the Western Hemisphere, mostly in the Southern Hemisphere
Example
Brazil is the largest country in South America.
A2 adverb /ˈsʌm.haʊ/

Somehow

Meaning
in some way; for some reason that is not clear
Example
Somehow, I managed to finish the project on time.
C2 adjective /ˈsɪlvən/

sylvan

Meaning
Relating to or characteristic of the woods or forest.
Example
The cottage was set in a sylvan landscape full of tall trees.
B2 adjective /səkˈsɛsɪv/

Successive

Meaning
following one after the other in order; consecutive
Example
The team won three successive matches.
B2 adjective /sɑːrˈkæstɪk/

sarcastic

Meaning
Using irony or mockery to convey contempt or humor.
Example
She made a sarcastic remark about his cooking.
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.
B1 noun sɪˈlek.ʃən

selection

Meaning
The action or fact of carefully choosing someone or something as being the best or most suitable.
Example
The selection process is based on merit.
A2 noun /ˈstændərd/

standard

Meaning
a level of quality or achievement, or a measure of comparison
Example
This car meets all the safety standards.
B1 adjective ˈsen.sɪ.tɪv

sensitive

Meaning
Quick to detect or respond to slight changes, signals, or influences.
Example
Sensitive systems require precise handling.
C1 noun, verb /slɜːr/

slur

Meaning
An insulting remark or suggestion; or to speak indistinctly.
Example
He made a slur against her character.
B2 adjective /ˈspɒtɪd/

Spotted

Meaning
having spots or marks; noticed or seen
Example
The spotted leopard moved silently through the jungle.
C2 noun /ˈsɛkstənt/

sextant

Meaning
a navigational instrument with a graduated arc of 60°, used to measure the angle between a celestial object and the horizon
Example
Using a sextant, the navigator fixed the ship’s position at noon.
C2 noun /spɪˈlʌŋkər/

spelunker

Meaning
A person who explores caves as a hobby.
Example
The spelunker carried ropes and lights into the dark cave.
C1 verb /sərˈmaʊnt/

surmount

Meaning
to overcome a difficulty or obstacle
Example
He surmounted all the challenges to achieve his dream.
C2 noun /sɪˈrɒkoʊ/

sirocco

Meaning
A hot, dry wind blowing from North Africa across the Mediterranean to southern Europe.
Example
The sirocco made the city unbearably hot and dusty.
B2 noun /skɑːr/

Scar

Meaning
a mark left on the skin after a wound has healed; lasting emotional damage
Example
The accident left a permanent scar on his forehead.
C1 adjective /ˈstætʃətɔːri/

statutory

Meaning
Required, permitted, or enacted by law.
Example
The company must comply with all statutory regulations.
B1 noun /ˈsɜːvənt/

servant

Meaning
a person who performs duties for others, especially in a household
Example
The servant opened the door for the guests.
B2 noun /ˈspesɪmən/

Specimen

Meaning
an individual example of something; a sample collected for scientific study or testing
Example
The scientist collected a blood specimen for analysis.
C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

Meaning
Only partly conscious; not fully aware of surroundings.
Example
He was semiconscious after the accident and could barely respond.
B2 noun /ˌsɛlf rɪˈspɛkt/

self-respect

Meaning
A feeling of pride and confidence in oneself; self-worth.
Example
She refused to compromise her self-respect by accepting unfair treatment.
C2 adjective /spæzˈmɒdɪk/

spasmodic

Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
C1 verb /ˈsɛvər/

sever

Meaning
to cut off or separate, especially by cutting; to end a connection or relationship
Example
He had to sever ties with the company after the dispute.
C1 verb /skrɔːl/

scrawl

Meaning
to write or draw something quickly and carelessly, making it hard to read
Example
He scrawled his signature at the bottom of the page.
C1 adjective /ˈsʌpl/

supple

Meaning
Easily bending or moving without breaking; flexible and adaptable.
Example
The gymnast’s body was remarkably supple.
C1 verb /səbˈsaɪd/

subside

Meaning
to become less intense, violent, or severe; to sink or fall to a lower level
Example
After the storm, the floodwaters began to subside.
C2 verb /ʃʌk/

shuck

Meaning
To remove the outer covering, such as the husk of corn or shell of shellfish.
Example
She learned how to shuck oysters quickly.
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.
C2 adjective /ˌsʌpəzɪˈtɪʃəs/

supposititious

Meaning
Based on assumption rather than fact; not genuine or authentic.
Example
The story turned out to be supposititious, with no evidence to support it.
C1 verb /siːp/

seep

Meaning
to flow or leak slowly through small openings or pores
Example
Water began to seep through the cracks in the wall.
B2 adjective /ˈʃeɪm.fəl/

Shameful

Meaning
causing shame; disgraceful; embarrassing
Example
His shameful behavior embarrassed the entire family.
C2 noun /slaɪt/

sleight

Meaning
Skill or dexterity, especially in performing tricks.
Example
The magician amazed the crowd with his sleight of hand.
B2 verb /stɪə(r)/

steer

Meaning
to guide or control the movement of a vehicle, vessel, or person
Example
He steered the car carefully through the narrow street.
C2 adjective /ˈʃɪft.ləs/

shiftless

Meaning
Lacking ambition or the ability to accomplish anything; lazy and unmotivated.
Example
He was seen as a shiftless young man with no goals.
B2 adjective /ˌsuː.pəˈnætʃ.ər.əl/

Supernatural

Meaning
relating to things that cannot be explained by natural or scientific laws; beyond the normal or physical world
Example
The old house was said to have supernatural powers.
C1 noun ˈsɪmbəlɪzəm

symbolism

Meaning
The use of symbols to represent ideas or qualities.
Example
The use of symbolism in the novel is masterful.
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
A2 adverb /ˈʃʊə.li/

Surely

Meaning
without doubt; certainly
Example
You will surely pass the exam if you study hard.
C1 verb /spɜːrn/

spurn

Meaning
To reject something or someone with disdain or contempt.
Example
She spurned his offer of help.
C2 adjective /ˈsɛpərəbəl/

separable

Meaning
Capable of being separated or divided.
Example
The two issues are separable and should be discussed independently.
B2 noun ˈsækrɪfaɪs

sacrifice

Meaning
An act of giving up something valued for the sake of something else.
Example
The country was freed due to the sacrifice of the warriors.
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 adjective /ˈsʌlən/

sullen

Meaning
bad-tempered and gloomy; silently resentful
Example
She gave him a sullen look and walked away.
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.
C2 verb /ˈsʌk.əl/

suckle

Meaning
to feed a baby or young animal with milk from the breast or udder
Example
The mother cat suckled her kittens in the basket.
B2 adjective /stiːp/

steep

Meaning
Having a sharp inclination or high slope; also can mean excessive (as in price).
Example
The hikers climbed a steep mountain trail.
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.
C1 adjective /sɪmˈplɪstɪk/

simplistic

Meaning
treating complex issues as if they were much simpler than they really are
Example
His explanation was too simplistic and ignored key details.
C1 adjective /ˈsɪnjuəs/

sinuous

Meaning
Having many curves, bends, or turns; winding.
Example
The hikers followed a sinuous path through the forest.
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.
B2 noun /ˈsɒlɪtjuːd/

solitude

Meaning
The state or situation of being alone.
Example
Solitude can provide the opportunity for deep reflection.
B2 adjective /ˌsuː.pəˈfɪʃ.əl/

superficial

Meaning
Existing or occurring at or on the surface; not thorough or deep.
Example
His understanding of the subject was rather superficial.
B1 adverb /sɪnˈsɪrli/

sincerely

Meaning
with genuine feelings; honestly and truly
Example
I sincerely hope you recover soon.
C2 noun /ˈsɪŋ.krə.ni/

synchrony

Meaning
Coordination in time, harmony in action or movement.
Example
Their dance performance showed perfect synchrony.
B2 adjective, noun /ˈsɪŋɡjələr/

singular

Meaning
Remarkable, extraordinary; or grammatical form referring to one person or thing.
Example
She has a singular talent for painting.
B2 noun /ˈsɪɡ.nə.tʃər/

Signature

Meaning
a person's name written in their own handwriting as identification or authorization
Example
Please put your signature at the bottom of the document.
C1 adjective /ˈswɛltərɪŋ/

sweltering

Meaning
uncomfortably hot
Example
The sweltering heat made it hard to work.
C1 noun /ˌsɛlf əˌfɜːˈmeɪʃən/

self-affirmation

Meaning
The practice of affirming one's own worthiness and value as an individual.
Example
Daily self-affirmation can boost your confidence.
B2 verb ˈsiːlɪŋ

sealing

Meaning
The action of closing or blocking something to prevent entry or escape.
Example
Sealing cracks in the walls can prevent pests from entering.
B2 noun, verb /stɛm/

stem

Meaning
Noun: The main stalk of a plant. Verb: To stop or restrict the flow or development of something.
Example
The gardener cut the stem of the rose; New policies aim to stem the flow of pollution.
C1 noun /stɑːr ˈæn.ɪs/

Star Anise

Meaning
star-shaped spice pod with a licorice-like flavor used in cooking
Example
She added star anise to the soup for aromatic flavor.
C2 adjective /sɛpˈtɛnɪəl/

septennial

Meaning
Occurring every seven years.
Example
The festival is a septennial tradition in the village.
B2 verb /skeər/

scare

Meaning
to frighten someone or make them feel afraid
Example
The loud noise scared the baby.
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 /swiːt.laɪm/

Sweetlime

Meaning
a citrus fruit that is sweeter and less acidic than regular lime
Example
The sweetlime juice was refreshing on a hot day.
B1 adverb /ˈsekəndli/

secondly

Meaning
Used to introduce the second point in a list of arguments or ideas.
Example
Firstly, we need funding; secondly, we need a strong team.
C2 adjective /ˌsuːdəˈrɪfɪk/

sudorific

Meaning
causing or increasing sweating
Example
The doctor prescribed a sudorific drug to help reduce the fever.
B1 noun /seɪnt/

Saint

Meaning
person recognized as holy or virtuous; very kind or patient person
Example
Mother Teresa was declared a saint by the Catholic Church.
C1 adjective /ˈsaɪt.ləs/

Sightless

Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
B1 verb /ʃuːt/

shoot

Meaning
to fire a bullet or arrow from a weapon; to take a photograph or film
Example
He learned how to shoot a bow and arrow.
B2 adjective /ˈsɛkʃʊəl/

sexual

Meaning
relating to the instincts, physiological processes, and activities connected with physical attraction or intimate physical contact between individuals
Example
The sexual health of individuals is an important topic in modern medicine.
B2 verb /ʃɛd/

shed

Meaning
to let something fall off naturally, such as leaves, hair, or tears
Example
Trees shed their leaves in autumn.
B2 noun /stəˈtɪstɪks/

statistics

Meaning
the practice or science of collecting and analyzing numerical data
Example
The statistics showed an increase in the number of users last year.
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.
B2 noun (plural) /skræps/

scraps

Meaning
Small pieces left over from something; also small fights or quarrels.
Example
The dog ate the scraps from the table.
C2 noun /sʌbˈɔːl.tən/

subaltern

Meaning
A person holding a subordinate position; in the military, a junior officer.
Example
The subaltern was responsible for leading a small platoon of soldiers.
A2 noun /ˈsoʊʃəl ˈmiːdiə/

social media

Meaning
Websites and applications that enable users to create and share content or to participate in social networking.
Example
Social media often causes delays.
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.
A2 noun /ˈsiː.nər.i/

Scenery

Meaning
the natural features of a landscape; the painted background used on a theater stage
Example
The mountain scenery was breathtakingly beautiful.
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.
B1 noun /sɒk/

sock

Meaning
a piece of clothing worn on the foot and lower part of the leg.
Example
He put on a pair of clean socks before leaving the house.
C2 adjective /ˌsɒfəˈmɒrɪk/

sophomoric

Meaning
showing immaturity and overconfidence, like a sophomore
Example
His sophomoric behavior embarrassed his friends.
C1 adjective /ˈstɛriəˌtaɪpt/

stereotyped

Meaning
Conforming to a fixed or oversimplified idea of what someone or something is like.
Example
His stereotyped jokes failed to impress the audience.
C2 noun /ˈsɒfɪstri/

sophistry

Meaning
the use of clever but false arguments, often to deceive
Example
The politician's speech was full of sophistry.
B1 noun /ˌsæt.ɪsˈfæk.ʃən/

Satisfaction

Meaning
fulfillment of one's wishes, expectations, or needs
Example
She felt great satisfaction after completing the project.
B2 noun /ˌsɒl.ɪˈdær.ə.ti/

Solidarity

Meaning
unity or agreement of feeling or action among individuals with a common interest
Example
The workers showed solidarity during the strike.
B2 verb /sweɪ/

sway

Meaning
To move or cause to move slowly or rhythmically back and forth; to influence someone's opinion or decision.
Example
The trees swayed gently in the breeze.
C2 noun /ˌsæv.wɑːr ˈfeər/

savoir-faire

Meaning
The ability to act or speak appropriately in social situations; polished social skills.
Example
She handled the delicate situation with remarkable savoir-faire.
B1 noun/verb /skeɪl/

scale

Meaning
A system of ordered marks used for measurement; also means to climb or to adjust in size.
Example
The company plans to scale its operations globally.
C1 verb /slɪŋ/

sling

Meaning
to throw or hang something roughly or carelessly
Example
He slung his bag over his shoulder before leaving.
A2 noun /ʃɔːrts/

shorts

Meaning
a short garment worn on the lower half of the body that covers each leg separately, usually above the knees.
Example
He wore a pair of blue shorts to the beach.
A1 adverb /ˈsʌm.taɪmz/

Sometimes

Meaning
at times; occasionally; now and then
Example
Sometimes I go for a walk in the evening.
C1 verb /sɪndʒ/

singe

Meaning
To burn something superficially or lightly, especially at the edges.
Example
The fire singed his eyebrows.
C2 adjective /splɪˈnɛtɪk/

splenetic

Meaning
bad-tempered, irritable, spiteful
Example
His splenetic remarks offended everyone in the room.
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.
C2 noun /ˈsɒlɪˌsɪzəm/

solecism

Meaning
a grammatical mistake in speech or writing; a breach of good manners or etiquette
Example
His speech was full of solecisms and awkward phrases.
C1 noun /ˈsteɪ.ʃən.ər/

Stationer

Meaning
a person who sells paper, pens, pencils, and other office supplies
Example
The stationer recommended the best pens for writing exams.
B2 noun /ˈspɛʃəlti/

specialty

Meaning
a particular area of study, work, or interest; something in which a person or place excels
Example
Her specialty is pediatric medicine.
A2 verb /sɜːrtʃ/

search

Meaning
to look carefully for someone or something; to examine thoroughly
Example
The police searched the house for evidence.
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.
B2 verb /ˈsɒfən/

soften

Meaning
to make or become less hard, severe, or strong.
Example
Heat will soften the butter quickly.
C1 noun /straɪf/

strife

Meaning
angry or violent conflict; struggle or discord
Example
The region has been torn apart by political strife.
B2 noun /swɪŋ/

Swing

Meaning
move or cause to move back and forth or from side to side while suspended or on an axis
Example
The children love to swing in the park.
A2 verb /səˈpɔːrt/

support

Meaning
to help or assist someone; to hold up or bear the weight of something
Example
The family will support their son through his studies.
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.
B2 noun /skrɪpt/

script

Meaning
The written text of a play, film, or broadcast; handwriting style.
Example
The actor memorized his lines from the script.
C1 adjective /ˈsɪlkən/

Silken

Meaning
made of silk; smooth and soft like silk
Example
She wore a beautiful silken dress to the party.
C1 noun /ˈsɒnɪt/

sonnet

Meaning
A poem of 14 lines using formal rhyme schemes, often about love.
Example
Shakespeare wrote many famous sonnets about love and beauty.
B2 noun /ˈswɛər wɜːrd/

swear-word

Meaning
An offensive or rude word used to express anger or frustration.
Example
He shouted a swear-word when he hit his toe.
C1 adjective /səˈtɪrɪk/

satiric

Meaning
Relating to or using satire.
Example
The novel takes a satiric view of urban life.
C2 noun /səˈɡæs.ə.t̬i/

sagacity

Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
C1 noun /ˈsʌn.stroʊk/

Sunstroke

Meaning
a serious condition caused by overheating from prolonged exposure to high temperatures
Example
The worker suffered from sunstroke after working outside all day.
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.
C2 noun /stɛp/

steppe

Meaning
A large flat area of unforested grassland, especially in southeastern Europe or Siberia.
Example
The nomads traveled across the vast steppe with their herds.
B1 noun ˈsɪs.təmz

systems

Meaning
A set of connected things or parts forming a complex whole.
Example
Effective systems improve productivity.
B2 noun /ˈsaɪd.laɪn/

sideline

Meaning
An activity done in addition to one's main job or area of work.
Example
The sideline discussions led to mutual understanding.