sideline
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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.
C2 adjective /ˈsteɪ.dʒi/

stagy

Meaning
Overly theatrical, artificial, or exaggerated in manner or style.
Example
Her performance felt stagy and unnatural.
C1 verb /snɪər/

sneer

Meaning
to smile or speak in a mocking or contemptuous way
Example
She sneered at his attempt to sing.
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 noun /ˈsɪlk.wɜːrm/

Silk-worm

Meaning
the caterpillar of a moth that produces silk fibers used to make silk fabric
Example
Silkworms feed on mulberry leaves to produce silk.
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.
A1 noun /ˈsʌmər/

summer

Meaning
the warmest season of the year, between spring and autumn
Example
We love going to the beach during summer.
B2 noun/verb /swɔːrm/

swarm

Meaning
A large group of insects or people moving together.
Example
A swarm of bees surrounded the tree.
C2 adjective /ˈsɛrid/

serried

Meaning
pressed or crowded together, often in rows or ranks
Example
The soldiers stood in serried ranks, ready for inspection.
C2 adjective /ˈsæ.loʊ/

sallow

Meaning
Of an unhealthy yellow or pale brown color, often referring to skin.
Example
His sallow complexion made him look tired and sickly.
B1 adjective /ˌstreɪtˈfɔːwəd/

straightforward

Meaning
easy to understand or do; simple
Example
Her explanation was straightforward and clear.
B1 verb /stɛə/

stare

Meaning
to look at something with a fixed gaze
Example
She stared at the painting for hours.
A2 verb /ˈstɑːtɪŋ/

starting

Meaning
beginning to do or experience something
Example
She is starting a new job next week.
A2 adjective /ˈsɪmələr/

Similar

Meaning
alike; having characteristics in common
Example
The two sisters have similar interests in music.
C1 noun /slæɡ/

slag

Meaning
Stony waste matter separated from metals during the smelting process.
Example
The factory dumped the slag near the river.
B2 verb /swiːp/

sweep

Meaning
to clean by brushing; to move quickly and smoothly
Example
She sweeps the floor every morning.
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 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.
C1 verb /ˈspɪərˌhɛd/

spearhead

Meaning
to lead or initiate an action, project, or movement
Example
She spearheaded the campaign for environmental awareness.
B2 adjective /ˈsoʊloʊ/

solo

Meaning
performed by one person alone; a single performance
Example
She decided to perform a solo dance at the talent show.
A1 adverb /suːn/

Soon

Meaning
in a short time; before long; quickly
Example
The train will arrive soon.
C1 adjective /ˌsæŋktɪˈmoʊniəs/

sanctimonious

Meaning
Making a show of being morally superior to others; hypocritically pious.
Example
He gave a sanctimonious speech about honesty while he himself was corrupt.
C2 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
B2 adverb /səˈfɪʃəntli/

sufficiently

Meaning
to an adequate degree or extent
Example
She studied sufficiently to pass the exam.
C1 noun /ˈsɒlstɪs/

solstice

Meaning
the two times in the year when the sun is at its greatest distance from the equator (summer and winter solstice)
Example
People celebrate the summer solstice with festivals and rituals.
B2 verb /spɪl/

spill

Meaning
to cause liquid to flow or fall out of a container by accident
Example
Be careful not to spill your coffee.
A2 noun /stoʊn/

stone

Meaning
a hard, naturally occurring mineral material found in the earth
Example
He threw a stone into the lake.
C1 adjective /ˈstɪltɪd/

stilted

Meaning
Speech or writing that is stiff, unnatural, or overly formal.
Example
His speech sounded stilted and rehearsed.
C1 noun /ˌsɛrənˈdɪpɪti/

serendipity

Meaning
The occurrence of events by chance in a happy or beneficial way.
Example
Finding that old photo album was pure serendipity.
B2 adjective /ˈstɑː.ri/

Starry

Meaning
full of stars; shining like stars; relating to stars
Example
We enjoyed the starry night sky while camping in the mountains.
B2 noun ˈsɛv.ən ˈwʌn.dərz

Seven Wonders

Meaning
The seven most remarkable and famous structures in the world, representing architectural feats and cultural significance.
Example
The Seven Wonders of the world reflect human brilliance.
C1 noun, verb /spreɪn/

sprain

Meaning
an injury to a joint in which the ligaments are stretched or torn
Example
She sprained her ankle while running in the park.
B2 noun /sliːv/

Sleeve

Meaning
the part of a garment that covers the arm
Example
She rolled up her sleeves before starting to cook.
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.
A1 adjective /ʃʊr/

Sure

Meaning
completely confident that something is true; certain; definitely true
Example
I am sure that he will come tomorrow.
B1 noun /ˈsʌn.raɪz/

Sunrise

Meaning
the time in the morning when the sun appears above the horizon
Example
We watched the beautiful sunrise from the mountain top.
A2 adverb /ˈsʌm.weər/

Somewhere

Meaning
in or at some place; in an unspecified location
Example
I left my keys somewhere in the house.
C1 noun /ˌsæl.jʊˈteɪ.ʃən/

Salutation

Meaning
a greeting; an expression of goodwill
Example
The letter began with a formal salutation.
B2 adjective /ˈstraɪkɪŋ/

striking

Meaning
very noticeable or impressive in appearance or effect
Example
Her striking beauty caught everyone's attention.
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.
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 /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 /ˈstɪp.jʊ.leɪt/

stipulate

Meaning
to demand or specify a condition in an agreement or contract
Example
The contract stipulates that payment must be made within 30 days.
B1 noun /ˈsɛt ʌp/

set-up

Meaning
The arrangement or organization of something; a planned structure or scheme
Example
The company presented a new set-up for the office layout.
C1 noun sælˈveɪʃən

salvation

Meaning
Deliverance from sin and its consequences, believed by Christians to be brought about by faith in Christ.
Example
The story revolves around the theme of salvation.
C1 noun /ˈskeɪp.ɡəʊt/

Scapegoat

Meaning
a person who is blamed for the wrongdoings, mistakes, or faults of others
Example
He became the scapegoat for the team's poor performance.
B1 adjective /ˈsuːtəbl/

suitable

Meaning
appropriate or right for a particular person, purpose, or situation
Example
This dress is suitable for the wedding.
A2 adjective /ˈsuːpər/

super

Meaning
excellent; very good
Example
She did a super job on the project.
C1 noun /ˈskælpəl/

scalpel

Meaning
A small and extremely sharp bladed instrument used for surgery and dissection.
Example
The surgeon carefully used a scalpel to make the first incision.
A2 noun ˈsɜːrvɪs

service

Meaning
An act of helping or doing work for someone.
Example
True education promotes the value of service to others.
B2 adjective /steɪl/

Stale

Meaning
no longer fresh; lacking originality or novelty
Example
The bread became stale after sitting out for three days.
B1 noun /ˈsɛkʃən/

section

Meaning
a distinct part or subdivision of something larger
Example
This section of the report needs further review.
B2 noun ˌspɛk.jʊˈleɪ.ʃən

speculation

Meaning
Investment in stocks, property, or other ventures in the hope of gain but with the risk of loss.
Example
Stock market speculation can lead to high volatility.
B2 verb /ˈskræmbəl/

scramble

Meaning
to move or climb quickly using hands and feet; to mix or arrange in a hurried way
Example
The kids scrambled up the hill to catch the kite.
B2 adjective /ˈslɪp.ər.i/

Slippery

Meaning
smooth and difficult to hold; causing sliding or slipping
Example
The wet floor was very slippery after cleaning.
B2 adjective /ˈskɪni/

Skinny

Meaning
very thin; having little flesh or fat on the body
Example
The skinny cat looked like it hadn't eaten for days.
B1 verb /sɪˈlekt/

select

Meaning
to choose from a number of alternatives; to pick out
Example
Please select your favorite color.
C2 adjective /ˈsækərɪn/

saccharine

Meaning
Excessively sweet or sentimental.
Example
His saccharine smile seemed insincere.
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.
B2 noun, verb /stiːm/

steam

Meaning
the vapor into which water is converted when heated; to emit or treat with steam
Example
The kettle was steaming on the stove.
B2 adjective spekˈtækjʊlər

spectacular

Meaning
Beautiful in a dramatic and eye-catching way; very impressive.
Example
The launch of the spacecraft was a spectacular event.
C1 noun, verb /ˈskʌf.əl/

scuffle

Meaning
a short, confused fight or struggle; to engage in such a fight
Example
Two players scuffled on the field after the foul.
B2 verb /səˈrɛndər/

surrender

Meaning
to give up or yield to an opponent or authority
Example
The army finally surrendered after weeks of fighting.
C1 adjective /səˈnɔːrəs/

sonorous

Meaning
Deep, full, and rich in sound.
Example
The actor's sonorous voice filled the entire theater.
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.
B1 noun /ˈsmoʊkər/

smoker

Meaning
A person who smokes tobacco or other substances
Example
He is a heavy smoker and tries to quit every year.
B2 noun /spæm/

spam

Meaning
unsolicited or unwanted electronic communication, typically in the form of email
Example
My inbox is full of spam emails that I need to delete.
A2 adjective /ˈsɛvrəl/

several

Meaning
more than one but not many; a few
Example
Several people attended the meeting yesterday.
B1 adverb /səˈpraɪzɪŋli/

surprisingly

Meaning
in a way that causes surprise or amazement
Example
Surprisingly, she finished the entire project in just one day.
B2 noun, verb /skruː/

screw

Meaning
a metal fastener with a helical ridge; to fasten or tighten something with a screw
Example
He screwed the shelf to the wall tightly.
B2 noun ˌsɛlf ˈdɪs.ə.plɪn

self-discipline

Meaning
The ability to control one's emotions and behavior.
Example
Self-discipline is crucial for achieving long-term success.
B2 verb /ʃriːk/

shriek

Meaning
to make a loud, high-pitched cry
Example
She shrieked when she saw the spider.
C1 noun /ˌsɒl.jʊˈbɪləti/

solubility

Meaning
The ability of a substance to dissolve in a solvent.
Example
The solubility of salt in water is high.
A1 noun /sʌn/

son

Meaning
a male child of a parent
Example
His son is very talented in music.
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 verb /spɔːn/

spawn

Meaning
to produce or generate, often in large numbers
Example
The video game has spawned many sequels.
C1 noun /səˈlɪn.ə.t̬i/

salinity

Meaning
The salt content of soil or water, typically measured as a concentration.
Example
The salinity of the ocean varies depending on depth and location.
B2 noun /ˈsæksəfoʊn/

Saxophone

Meaning
a wind musical instrument with a curved metal body and a single reed mouthpiece
Example
The jazz musician played a beautiful solo on his saxophone.
C1 noun /ˈstreɪnər/

Strainer

Meaning
a device having holes punched in it or made of crossed wires for separating solid matter from a liquid
Example
Use a strainer to drain the pasta water.
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.
A2 noun /steɪdʒ/

stage

Meaning
a raised platform or area for performances or presentations
Example
The actor stepped onto the stage to deliver his speech.
B1 noun /ˈsʌb.mə.riːn/

Sub-marine

Meaning
a warship with a streamlined hull designed to operate completely submerged in the sea
Example
The submarine dived deep into the ocean to avoid detection.
B2 verb /smæʃ/

smash

Meaning
to break something into pieces violently
Example
She smashed the glass in frustration.
C1 noun /səˈvænə/

savanna

Meaning
a grassy plain with scattered trees, typical of tropical and subtropical regions
Example
Giraffes browsed on acacia trees across the wide savanna.
B2 noun /ˈsɛtlər/

settler

Meaning
a person who settles in a new area or land
Example
The settlers arrived in the new town and started building homes.
B1 noun /stæf/

staff

Meaning
a group of employees working together in an organization
Example
The staff at the hospital are very helpful.
B2 verb /ˈsɪmbəlaɪz/

symbolize

Meaning
to represent or stand for something else
Example
The dove symbolizes peace across cultures.
C1 noun /ˈsæŋk.ʃən/

Sanction

Meaning
official permission or approval; a penalty for disobeying a rule
Example
The government imposed economic sanctions on the country.
B1 noun /seɪlz/

sales

Meaning
activities related to selling products or services
Example
The company saw a significant increase in sales during the holiday season.
B2 verb /ˈsɪmpəθaɪz/

sympathize

Meaning
to feel sorry for someone; to understand and share someone's feelings
Example
I sympathize with your loss.
B1 noun /sɔːrs/

Source

Meaning
a place, person, or thing from which something originates; the origin of information
Example
The river's source is high in the mountains.
B2 verb /straɪd/

stride

Meaning
to walk with long, decisive steps; to make progress
Example
She strode confidently across the stage.
C2 adjective /ˌsɒfəˈmɒrɪk/

sophomoric

Meaning
showing immaturity and overconfidence, like a sophomore
Example
His sophomoric behavior embarrassed his friends.
A2 adjective /ˈsɪŋɡəl/

single

Meaning
only one; not one of several
Example
She bought a single ticket for the concert.
A1 noun /sɔːŋ/

song

Meaning
a short piece of music with words that are sung
Example
She sang a beautiful song at the concert.
A2 adjective /ˈsɛvənθ/

seventh

Meaning
constituting number seven in a sequence; coming after the sixth
Example
Her birthday is on the seventh of July.
B2 verb /ˈstɑːrtl/

startle

Meaning
To surprise or frighten someone suddenly.
Example
The loud noise startled the children.
A1 verb /sel/

sell

Meaning
to give something to someone in exchange for money
Example
They sell fresh fruits at the market.
C1 verb /ˈʃækəl/

shackle

Meaning
to chain or restrain; to restrict someone’s actions or freedom
Example
Outdated regulations shackle small businesses and slow innovation.
A2 noun steɪt

state

Meaning
A nation or territory considered as an organized political community under one government.
Example
The state declared a new language policy.
B1 noun /ʃrɪmp/

Shrimp

Meaning
a small marine crustacean with a slender body and long legs
Example
We ordered grilled shrimp with garlic butter for dinner.
B2 noun /ˈsæŋk.tʃuˌɛr.i/

sanctuary

Meaning
A place of safety, refuge, or protection; a sacred place.
Example
The forest is a sanctuary for endangered animals.
B1 verb /ʃɪft/

shift

Meaning
To move or change from one place, position, or situation to another.
Example
She had to shift her focus to the new project.
C1 noun ˌsɪs.təˈmæt.ɪk ˈstræt.ə.dʒi

systematic strategy

Meaning
A methodical and organized plan or approach to achieve specific objectives.
Example
A systematic strategy was employed to achieve objectives.
C2 adjective /sɛnˈtɛnʃəs/

sententious

Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
C1 verb /səˈlɪdəˌfaɪ/

solidify

Meaning
To make something firm, strong, or more certain.
Example
The company solidified its position in the market.
C1 adjective /ˈsɛreɪtɪd/

serrated

Meaning
Having a notched or saw-toothed edge.
Example
The bread knife had a serrated blade.
B1 noun /skriːn/

Screen

Meaning
a flat surface on which pictures or words are shown; a movable partition used to divide a room
Example
The movie was displayed on a large screen in the theater.
C1 adjective /ˈsɛnʃuəl/

sensual

Meaning
Relating to or involving gratification of the senses and physical pleasure.
Example
The painting had a sensual quality that captivated viewers.
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.
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.
B1 noun, verb /skiːm/

scheme

Meaning
a plan or arrangement, especially one that is secret or dishonest
Example
They devised a scheme to cheat investors.
C1 verb /ˈsmʌðər/

smother

Meaning
to kill someone by covering their nose and mouth to prevent breathing; to cover something completely; to overwhelm with excessive attention or affection
Example
She smothered the fire with a blanket.
C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
C2 noun /ˈsiːkənt/

secant

Meaning
A straight line that intersects a curve at two or more points.
Example
In geometry, a secant cuts the circle at two distinct points.
B1 noun ˈstæn.dədz

standards

Meaning
A level of quality or attainment; a required or agreed level of quality or attainment.
Example
High standards inspire competitors.
B2 verb /soʊk/

soak

Meaning
to make something completely wet by immersing it in liquid
Example
She soaked the clothes in water before washing them.
B2 noun /ˈsteɪdiəm/

stadium

Meaning
a large structure with seating for sports, concerts, or other events
Example
Thousands of fans filled the stadium to watch the final match.
A2 noun /sɔːs/

Sauce

Meaning
a liquid or semi-liquid substance served with food to add moisture and flavor
Example
She added tomato sauce to her pasta.
B2 verb /skɪm/

skim

Meaning
to move quickly over a surface or to read something quickly
Example
She skimmed through the report before the meeting.
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.