seethe
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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.
B1 verb /skrætʃ/

scratch

Meaning
to rub a surface or skin with something sharp or rough, often to relieve itching
Example
The cat scratched the door to be let in.
C1 adjective /sɑːrˈdɒnɪk/

sardonic

Meaning
Grimly mocking or cynical.
Example
She gave him a sardonic smile after hearing his excuse.
C1 noun/verb /snɛər/

snare

Meaning
a trap for catching animals; to catch or trap
Example
The hunter set a snare to catch rabbits.
B1 noun /ʃeɪm/

Shame

Meaning
a painful feeling of humiliation or distress; something regrettable
Example
He felt deep shame for his dishonest behavior at work.
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.
B1 verb /skɪp/

skip

Meaning
to omit or pass over something; to move lightly or quickly
Example
He decided to skip breakfast and go straight to work.
B2 adjective /ˈsɜːdʒɪkəl/

surgical

Meaning
relating to or involving surgery
Example
She underwent surgical treatment to repair the damage.
A2 noun /stɔːrm/

Storm

Meaning
a violent weather condition with strong winds, rain, thunder, and lightning
Example
The storm caused power outages across the city.
B1 noun /swɒn/

Swan

Meaning
a large waterbird with a long curved neck and usually white plumage
Example
The elegant swan glided silently across the water.
B1 noun /slaɪd/

Slide

Meaning
a smooth surface for sliding down; a piece of playground equipment
Example
The children enjoyed playing on the slide at the park.
A2 adjective /ʃaɪ/

Shy

Meaning
nervous or timid in the company of other people
Example
The shy student rarely spoke up in class discussions.
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.
C2 verb /sleɪk/

slake

Meaning
To satisfy thirst or desire.
Example
She drank cold water to slake her thirst.
C2 noun /ˈsɒfɪzəm/

sophism

Meaning
a clever but misleading argument; fallacious reasoning
Example
The politician's speech was full of sophism designed to mislead voters.
B2 noun /ˈsɛnət/

senate

Meaning
a legislative or governing body, typically the upper chamber in a bicameral legislature
Example
The senate voted in favor of the new healthcare bill.
A2 verb /sɜːrtʃ/

search

Meaning
to look carefully for someone or something; to examine thoroughly
Example
The police searched the house for evidence.
C1 verb /səbˈsɪst/

subsist

Meaning
To maintain or support oneself, especially at a minimal level.
Example
Many villagers still subsist on fishing and farming.
C1 noun ˈsʌb.tɛkst

subtext

Meaning
Hidden meaning or message behind spoken or written words
Example
The subtext of his speech suggested disagreement.
B2 adverb /ˈsoʊʃəli/

socially

Meaning
in a way that relates to society or social interaction
Example
He is very active socially and attends many events.
B2 noun sliːp ˌdɛprɪˈveɪʃən

sleep deprivation

Meaning
The condition of not having enough sleep; lack of adequate sleep.
Example
Sleep deprivation can severely impact mental health.
C1 verb /smɜrk/

smirk

Meaning
to smile in a self-satisfied, smug, or silly way
Example
He smirked when he won the argument.
C2 noun /skʌlˈdʌɡəri/

skulduggery

Meaning
underhanded or dishonest behavior
Example
The politician was accused of financial skulduggery.
C2 noun /ˈstrætədʒəm/

stratagem

Meaning
a plan or scheme designed to achieve a particular goal, often by trickery
Example
The general devised a clever stratagem to outwit the enemy.
B2 noun /spæn/

span

Meaning
the full extent or length of something from one end to another
Example
The bridge has a span of over 500 meters.
C2 noun/verb /ˈsoʊdʒɜrn/

sojourn

Meaning
A temporary stay at a place; to stay temporarily
Example
She enjoyed a brief sojourn in Paris during the summer.
B2 noun /ˌsɛkʃuˈæləti/

sexuality

Meaning
a person's capacity for sexual feelings and orientation
Example
She spoke openly about her sexuality and identity.
C1 noun /səˈlɛmnɪti/

solemnity

Meaning
the state or quality of being serious and dignified
Example
The ceremony was conducted with great solemnity.
C2 adjective /ˌsæpəˈneɪʃəs/

saponaceous

Meaning
Soapy or having the qualities of soap.
Example
The plant has saponaceous leaves that produce foam when rubbed in water.
C1 verb /skʌf/

scuff

Meaning
to mark or scratch the surface of something by rubbing
Example
He scuffed his shoes on the pavement.
B2 noun /ˈʃepərd/

Shepherd

Meaning
a person who tends and guards sheep
Example
The shepherd guided his flock to the green pasture.
B2 verb /skæn/

scan

Meaning
To look at something carefully or quickly; to digitally copy or capture an image or document.
Example
She scanned the document before sending it by email.
C1 adjective /ˈstɪndʒi/

stingy

Meaning
unwilling to spend or give; miserly
Example
He is too stingy to buy a gift for his friend.
C1 adjective /səbˈvɜːrsɪv/

subversive

Meaning
seeking or intended to undermine or overthrow an established system or authority
Example
The group was banned for its subversive activities.
A1 noun /siː/

Sea

Meaning
a large body of salt water that covers most of the earth's surface
Example
We went swimming in the sea.
C1 noun /stɛntʃ/

stench

Meaning
A very strong and unpleasant smell.
Example
The stench of garbage filled the alley.
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.
C2 adjective /ˈsæpɪd/

sapid

Meaning
Having a pleasant taste; flavorful.
Example
The chef prepared a sapid dish that delighted everyone at the table.
C1 noun /ˈsed.ɪ.mənt/

Sediment

Meaning
matter that settles to the bottom of a liquid; particles deposited by water or wind
Example
The river carried sediment downstream during the flood.
A1 adjective /seɪm/

same

Meaning
identical; not different or changed
Example
We wore the same dress at the party.
C1 noun ˈsɪn.tæks

syntax

Meaning
The arrangement of words and phrases to create well-formed sentences in a language.
Example
Programming languages follow strict syntax rules.
B2 noun /spekˈteɪtər/

Spectator

Meaning
a person who watches at a show, game, or other event; an observer
Example
The stadium was filled with excited spectators.
C2 noun /ˈskæb.ərd/

scabbard

Meaning
A sheath for the blade of a sword or dagger, typically made of leather or metal.
Example
The knight drew his sword from the scabbard.
C1 noun ˌskeɪ.ləˈbɪl.ə.ti

scalability

Meaning
The capacity to be changed in size or scale; the ability of a system to handle a growing amount of work.
Example
The new software offers high scalability for large enterprises.
C1 adjective /ˌsɛlf ɪˈfeɪsɪŋ/

self-effacing

Meaning
not drawing attention to oneself; modest
Example
Despite his success, he remained self-effacing and humble.
A2 adverb /ˈsloʊli/

slowly

Meaning
in a slow manner
Example
She walked slowly to the door.
B2 noun sɛlf rɪˈlaɪ.əns

self-reliance

Meaning
Reliance on one's own powers and resources rather than those of others; independence.
Example
Self-reliance helps build confidence.
A1 verb /set/

set

Meaning
to put or place something in a position; to establish
Example
She set the book on the table.
B1 verb /ˈsʌfər/

suffer

Meaning
to experience pain, distress, or hardship
Example
She suffered from a severe headache all day.
C1 verb /sərˈmaɪz/

surmise

Meaning
to suppose something is true without having evidence
Example
She surmised that he was not coming to the meeting.
C2 adjective, noun /səbˈmɜːrsəbl/

submersible

Meaning
capable of being submerged; a small underwater craft
Example
The scientists explored the deep ocean using a submersible.
A2 noun /stɛp/

step

Meaning
a movement made by lifting one foot and putting it down in a new position
Example
She took a step towards the door.
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.
B1 verb /stɛə/

stare

Meaning
to look at something with a fixed gaze
Example
She stared at the painting for hours.
C1 adjective /swɑːv/

suave

Meaning
charming, confident, and elegant, often in a smooth or polished way
Example
He was a suave gentleman who impressed everyone at the party.
B2 noun /strɪp/

Strip

Meaning
a long narrow piece of cloth, paper, plastic, or other material
Example
She tore a strip of paper from the notebook.
C2 adjective /səˈɡeɪ.ʃəs/

sagacious

Meaning
Having or showing keen mental discernment and good judgment; wise.
Example
His sagacious leadership saved the company from failure.
B2 noun /stjuːˈpɪdəti/

stupidity

Meaning
lack of intelligence or common sense
Example
His stupidity caused a lot of problems for the team.
C2 noun /ˈsɛrəf/

seraph

Meaning
An angelic being associated with light and purity, often depicted as a high-ranking angel in Christian theology.
Example
The stained-glass window depicted a seraph with outstretched wings.
C1 noun /sɔɪl ˈmæn.ɪdʒ.mənt/

soil management

Meaning
The application of operations, practices, and treatments to protect soil and enhance its performance.
Example
Proper soil management improves long-term agricultural productivity.
C1 adjective /ˈswɛltərɪŋ/

sweltering

Meaning
uncomfortably hot
Example
The sweltering heat made it hard to work.
B2 verb /ˈsuːpərvaɪz/

supervise

Meaning
to watch and direct a person or activity to ensure things are done correctly
Example
The teacher supervises students during the exam.
C1 noun, verb /səˈpiːnə/

subpoena

Meaning
a legal document ordering someone to attend court; to summon someone with such a document
Example
The witness received a subpoena to appear in court next week.
B2 adjective /ˌsɪstəˈmætɪk/

systematic

Meaning
Done or acting according to a fixed plan or system; methodical.
Example
The company took a systematic approach to solving the issue.
C2 adjective /ˈsɛpərəbəl/

separable

Meaning
Capable of being separated or divided.
Example
The two issues are separable and should be discussed independently.
B1 noun /stæf/

staff

Meaning
a group of employees working together in an organization
Example
The staff at the hospital are very helpful.
C1 verb /slaʊtʃ/

slouch

Meaning
To stand, sit, or move in a lazy or awkward way.
Example
He slouched in the chair, looking tired.
C2 adjective /spɪk/

Spick

Meaning
extremely clean and neat; immaculate
Example
The house was spick and span after the cleaning.
C1 noun ˈsɪnədʒi

synergy

Meaning
The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects.
Example
The synergy between the two companies led to a successful partnership.
C2 verb /ˈsʌli/

sully

Meaning
to damage the purity, integrity, or reputation of something
Example
The scandal sullied the politician’s reputation.
C2 verb /ˈsʌn.dər/

sunder

Meaning
To split apart or separate, especially with force.
Example
The war sundered families and friends.
B2 adjective /ˈspeɪ.ʃəs/

Spacious

Meaning
having a lot of space; roomy and comfortable
Example
The house has a spacious living room with high ceilings.
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.
C1 noun/verb /ˈskɜːrmɪʃ/

skirmish

Meaning
a small or brief fight between groups of soldiers; to engage in such a fight
Example
The soldiers got into a skirmish near the border.
B1 adjective /ˈsɪniər/

senior

Meaning
having a higher rank or status; older or more experienced
Example
He is the senior manager in the department.
C2 adjective /ˈsiːkwənt/

sequent

Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
C1 adjective /ˈsɒljʊbəl/

soluble

Meaning
able to be dissolved, especially in water
Example
Sugar is soluble in water.
C1 verb /səbˈvɜːrt/

subvert

Meaning
to undermine or overthrow an established system, authority, or institution
Example
The rebels tried to subvert the government.
C2 adjective, adverb /ˈsaɪdlɔːŋ/

sidelong

Meaning
Directed to the side; indirect, furtive, or not straightforward.
Example
She gave him a sidelong glance across the room.
C2 adjective /ˈsɪmiən/

simian

Meaning
Relating to, resembling, or affecting apes or monkeys.
Example
The scientist studied the simian behavior of the chimpanzees.
B1 verb /stretʃ/

stretch

Meaning
to extend or expand; to make or become longer or wider
Example
Athletes stretch their muscles before exercising.
B1 noun /ˈsɪɡ.nəl/

Signal

Meaning
a gesture, action, or sound that conveys information or instruction
Example
The traffic signal turned red, so we stopped.
A2 adjective /ˈsep.ər.ət/

Separate

Meaning
distinct; not connected; individual; apart
Example
Please keep your personal and professional lives separate.
A1 modal verb /ʃʊd/

should

Meaning
used to indicate obligation or duty
Example
You should study for your exams.
A2 verb /sɑːlv/

solve

Meaning
to find an answer to a problem or question; to resolve a difficulty
Example
The detective finally solved the mysterious case.
B2 noun /ˌstɪm.jəˈleɪ.ʃən/

stimulation

Meaning
The action of arousing interest, enthusiasm, or excitement.
Example
Stimulation reduces stress and aids relaxation.
B2 noun /səˈspens/

Suspense

Meaning
a feeling of excited or anxious uncertainty about what will happen
Example
The movie kept us in suspense until the very end.
B2 adjective /slaɪ/

sly

Meaning
Clever in a deceitful or cunning way.
Example
She gave him a sly smile.
C1 adjective ˌsʌbˈlɪm.ɪ.nəl

subliminal

Meaning
Existing or operating below the threshold of consciousness; perceived by or affecting someone's mind without their being aware of it.
Example
Advertisements often have subliminal messages.
B1 verb /sɪŋk/

sink

Meaning
to go down below the surface; to descend
Example
The ship sinks in the deep ocean.
C1 noun /sərˈveɪər/

surveyor

Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
B2 verb səˈsteɪnd

sustained

Meaning
Strengthened and supported; not allowed to weaken or fail.
Example
The proposal was not sustained.
B2 noun /sneɪl/

Snail

Meaning
a small soft creature with a shell on its back that moves very slowly
Example
The snail left a shiny trail as it crawled across the leaf.
B2 noun ˌsensɪˈtɪvɪti

sensitivity

Meaning
The quality or condition of being sensitive; responsiveness to stimuli.
Example
Bose proved plant sensitivity through experiments.
A2 noun /skɪn/

Skin

Meaning
the outer covering of the body; the natural outer covering of a fruit or vegetable
Example
Her skin was soft and smooth.
C2 adjective /ˈsed.j ə.l ə s/

Sedulous

Meaning
showing dedication and diligence; persistent and careful in work
Example
She was sedulous in her research, spending hours in the library every day.
A1 adjective /sloʊ/

slow

Meaning
moving or happening at a low speed
Example
The car moved slowly down the street.
B2 noun /ˈsɪmp.təmz/

symptoms

Meaning
signs or indications of a disease or condition
Example
Fever and cough are common symptoms of the flu.
B2 adjective /sɑːrˈkæstɪk/

sarcastic

Meaning
Using irony or mockery to convey contempt or humor.
Example
She made a sarcastic remark about his cooking.
B2 noun ˈsuː.pər.fuːdz

superfoods

Meaning
Nutrient-dense foods that are particularly beneficial for health and well-being.
Example
Blueberries and spinach are superfoods rich in vitamins.
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.
C2 adjective /ˈʃɑːpwɔːrn/

shopworn

Meaning
worn or faded from being displayed in a shop; no longer fresh or original
Example
The shopworn shoes were sold at a discount.
C2 noun /ˈstiː.vəˌdɔːr/

stevedore

Meaning
A person employed to load and unload cargo from ships.
Example
The stevedores worked tirelessly to unload the cargo before dawn.
B2 noun /sɪmˈplɪsɪti/

Simplicity

Meaning
the quality of being simple; lack of complexity or intricacy
Example
The beauty of the design lies in its simplicity.
C1 verb /spɜːr/

spur

Meaning
To encourage or motivate someone to take action.
Example
The teacher's praise spurred him to study harder.
C1 adjective /ˈstʌm.pi/

Stumpy

Meaning
short and thick; having a short, thick appearance
Example
The stumpy little dog wagged its tail enthusiastically.
A1 pronoun /ˈsʌmθɪŋ/

something

Meaning
an unspecified or unknown thing
Example
I think something is wrong with my phone.
B2 adverb /ˈsoʊlli/

solely

Meaning
only; not involving anyone or anything else
Example
He is solely responsible for the decision.
C1 adjective /ˈskrɔːni/

scrawny

Meaning
very thin and bony, often looking unhealthy
Example
The scrawny boy could barely lift the heavy bag.
A1 noun /striːt/

street

Meaning
a public road in a city or town, typically with buildings on one or both sides
Example
He walked down the street to the park.
C1 noun səˈsteɪ.nə.bəl tekˈnɒl.ə.dʒi

sustainable technology

Meaning
Technology designed to meet present needs without compromising future generations' ability to meet their needs.
Example
Sustainable technology ensures a cleaner future.
B2 verb /ˈsʌmən/

summon

Meaning
To order someone to come or to gather courage or strength.
Example
The king summoned his advisors to the court.
B2 noun /ˌsoʊsiˈɑːlədʒi/

sociology

Meaning
the study of society, human relationships, and social institutions
Example
She is studying sociology at university.
B2 adjective /suːˈpɜːrb/

superb

Meaning
extremely good; excellent
Example
The hotel provided superb service during our stay.
B2 noun /spaɪn/

Spine

Meaning
the backbone or vertebral column of a vertebrate; the central support of a structure
Example
She injured her spine in the accident.
C2 verb /ˈseɪʃiˌeɪt/

satiate

Meaning
To satisfy fully, especially with food or desire.
Example
The large meal satiated his hunger.
B2 verb /ˈsteɪ.bə.laɪz/

stabilize

Meaning
to make something steady, secure, or unlikely to change suddenly
Example
The government took measures to stabilize the economy.
B1 noun /səˈpɔːtər/

supporter

Meaning
a person who supports someone or something
Example
She is a strong supporter of the local animal shelter.
A2 adjective /səkˈsɛsfəl/

Successful

Meaning
having achieved a desired aim or result; prosperous
Example
She was successful in her career as a doctor.
B1 noun /sɔɪl/

soil

Meaning
The upper layer of earth in which plants grow.
Example
The soil in this area is reddish.
C1 noun ˈsʌs.tɪ.nəns

Sustenance

Meaning
Food or support necessary for sustaining life
Example
Water is essential for human sustenance.