sensorium
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C2 noun /sɛnˈsɔːrɪəm/

sensorium

Meaning
The part of the brain or mind concerned with the reception and interpretation of sensory stimuli.
Example
The patient’s sensorium was clouded after the accident.
C2 noun /ˈsætræp/

satrap

Meaning
a governor of a province in ancient Persia; also used figuratively for a subordinate ruler
Example
The king appointed a satrap to oversee the distant province.
C2 adjective /səˈræfɪk/

seraphic

Meaning
Of or like a seraph; angelic, pure, and blissful.
Example
She gave him a seraphic smile that calmed his fears.
C2 verb /ˈsɛreɪt/

serrate

Meaning
To make a saw-toothed edge or notched margin.
Example
The craftsman serrated the knife blade for better cutting.
C2 adjective /ˈsɛpərəbəl/

separable

Meaning
Capable of being separated or divided.
Example
The two issues are separable and should be discussed independently.
C2 noun /ˌspoʊliˈeɪʃən/

spoliation

Meaning
The act of destroying or ruining something, often evidence or property.
Example
The court punished the company for the spoliation of evidence.
C2 noun ˌsʌb.dʒʊˈɡeɪ.ʃən

subjugation

Meaning
The action of bringing someone or something under domination or control, especially by force.
Example
The subjugation of weaker nations by colonial powers shaped history.
C2 noun /ˈsɑːrdʒənt ət ɑːrmz/

sergeant-at-arms

Meaning
An officer responsible for maintaining order during meetings or legislative sessions.
Example
The sergeant-at-arms escorted the disruptive member out of the hall.
C2 verb /ʃiːð/

sheathe

Meaning
to put a sword or knife back into its cover
Example
He quickly sheathed his sword after the duel.
C2 adjective /sʌbˈdʒeɪsənt/

subjacent

Meaning
lying immediately beneath; underlying
Example
The geological survey revealed subjacent layers of rock.
C2 verb /sleɪk/

slake

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

somniferous

Meaning
Tending to induce sleep; soporific.
Example
The professor's somniferous lecture put half the class to sleep.
C2 adjective /ˈstɜːr.tər.əs/

stertorous

Meaning
Characterized by heavy snoring or breathing.
Example
The patient’s stertorous breathing alarmed the nurses.
C2 adjective /səˈluːtəˌtɔri/

salutatory

Meaning
Relating to or expressing a greeting or an address, especially at the beginning of a speech.
Example
She delivered a salutatory address at the graduation ceremony.
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.
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.
C2 noun /skʌlˈdʌɡəri/

skulduggery

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

sublingual

Meaning
situated or applied under the tongue
Example
The doctor prescribed a sublingual tablet for faster absorption.
C2 adjective /spɪk/

Spick

Meaning
extremely clean and neat; immaculate
Example
The house was spick and span after the cleaning.
C2 noun /sɪˈkwiːlə/

sequela

Meaning
A condition that is the consequence of a previous disease or injury.
Example
Lung scarring can be a sequela of severe pneumonia.
C2 noun /sɒp/

sop

Meaning
a concession or appeasement to pacify someone; also a piece of bread dipped in liquid
Example
The manager offered a bonus as a sop to the unhappy employees.
C2 adjective səˈluː.bri.əs

salubrious

Meaning
Health-giving; healthy; promoting health and well-being.
Example
The mountain air is salubrious and refreshing.
C2 verb /ˈsnɪvəl/

snivel

Meaning
to cry or complain in a weak or annoying way
Example
He began to snivel when he didn’t get his way.
C2 noun /ˈsfɛrɔɪd/

spheroid

Meaning
A three-dimensional shape that is almost spherical but slightly flattened or elongated.
Example
The Earth is not a perfect sphere but an oblate spheroid.
C2 adjective /ˌsuːpərˈæn.ju.eɪ.tɪd/

superannuated

Meaning
old and no longer useful or valid; retired due to age
Example
The factory was filled with superannuated machines that slowed production.
C2 noun /skriːd/

screed

Meaning
a long, tedious piece of writing or speech; also a layer of material like cement spread on a surface
Example
He delivered a long screed against corruption.
C2 noun /staɪn/

stein

Meaning
A large beer mug, typically made of glass or stoneware.
Example
He raised his stein to toast his friends.
C2 adjective /ˌstaʊtˈhɑːrtɪd/

stouthearted

Meaning
Brave, determined, and courageous
Example
The stouthearted soldier never gave up.
C2 adjective /ˈspɔːrtɪv/

sportive

Meaning
Playful, lively, or full of fun.
Example
The children were in a sportive mood during the picnic.
C2 noun /ˈstænʃən/

stanchion

Meaning
a strong upright bar or post used as support or to control movement
Example
The red rope was attached to the stanchions to guide the crowd.
C2 adjective /səˈleɪʃəs/

salacious

Meaning
Having or conveying undue or inappropriate sexual interest.
Example
The tabloid published a salacious story about the celebrity.
C2 noun /ˈsʌbtrəˌhɛnd/

subtrahend

Meaning
a number that is to be subtracted from another number
Example
In the equation 10 - 4, the number 4 is the subtrahend.
C2 noun /ˌself əˈbeɪs.mənt/

self-abasement

Meaning
The act of belittling or humiliating oneself.
Example
His constant self-abasement made others uncomfortable.
C2 noun /səˈnɛs.əns/

senescence

Meaning
The process of growing old or the condition of aging.
Example
The biologist studied senescence in plants to understand aging.
C2 noun /ˈsɪlvər kɑrp/

Silver carp

Meaning
a large freshwater fish with silvery scales, commonly farmed for food
Example
Silver carp is widely cultivated in fish farms across Asia.
C2 noun /səbˈmɜːrʒən/

submersion

Meaning
the state of being under water
Example
The submersion of the fields lasted for several days after the heavy rain.
C2 adjective /səˈlɪsɪtəs/

solicitous

Meaning
showing concern or care for someone's health, happiness, or comfort
Example
She was always solicitous about the well-being of her students.
C2 noun /ˈsʌfrədʒɪst/

suffragist

Meaning
a person advocating the extension of suffrage, especially to women
Example
The suffragists organized rallies to demand voting rights for women.
C2 adjective /sɪˈbeɪʃəs/

sebaceous

Meaning
Relating to or secreting sebum, an oily substance from the skin.
Example
Acne is often caused by overactive sebaceous glands.
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.
C2 adjective /sɪˈnɜːrdʒɪk/

synergic

Meaning
Working together in a cooperative and effective manner.
Example
The two departments have a synergic relationship that boosts productivity.
C2 verb /ˌsuːpərɪnˈtɛnd/

superintend

Meaning
to oversee and direct the work or operation of something
Example
She was hired to superintend the construction project.
C2 noun /ˈsɪkəfənt/

sycophant

Meaning
A person who acts obsequiously toward someone important in order to gain advantage.
Example
The manager was surrounded by sycophants who agreed with everything he said.
C2 adjective /ˈsæpɪd/

sapid

Meaning
Having a pleasant taste; flavorful.
Example
The chef prepared a sapid dish that delighted everyone at the table.
C2 noun (plural, informal) /skædz/

scads

Meaning
A large number or quantity of something (informal).
Example
She has scads of friends in the city.
C2 noun ˈsɒmnələns

somnolence

Meaning
A state of drowsiness or sleepiness; inclination to sleep.
Example
The somnolence after a heavy meal made it hard to concentrate.
C2 noun /ˈsɔː.dər/

Sawder

Meaning
flattering or wheedling talk; soft soap
Example
His sawder couldn't convince anyone of his sincerity.
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.
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.
C2 verb /səˈfjuːz/

suffuse

Meaning
to gradually spread through or over something
Example
A warm glow suffused her face as she smiled.
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 verb /ˈsæŋktɪfaɪ/

sanctify

Meaning
to make holy or sacred; to purify
Example
The priest will sanctify the marriage ceremony.
C2 adjective /ˈslæp.dæʃ/

slapdash

Meaning
done too quickly and carelessly; hasty and careless
Example
The report was written in a slapdash manner, full of errors.
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.
C2 verb /seɪt/

sate

Meaning
To satisfy fully or to excess.
Example
The huge meal sated their hunger after the long journey.
C2 adjective /ˈsloʊθfəl/

slothful

Meaning
Lazy, idle, and unwilling to work.
Example
She was too slothful to get out of bed early.
C2 noun ˈsaɪəns ˈdezət

science-desert

Meaning
A region or area lacking in scientific development, research facilities, or educational institutions.
Example
J.C. Bose thrived in a science-desert.
C2 noun /ˌsuː.pɚˈfluː.ə.t̬i/

superfluity

Meaning
An excessive amount of something; more than what is needed.
Example
The room was filled with a superfluity of decorations.
C2 adjective /ˈstraɪ.eɪ.tɪd/

striated

Meaning
marked with thin lines, grooves, or stripes
Example
The muscle fibers appeared striated under the microscope.
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.
C2 noun /ˈsɪbɪləns/

sibilance

Meaning
A hissing or hushing sound, especially in speech with 's' or 'sh'.
Example
The poet used sibilance to create a soft, hissing effect in the verse.
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 /stɒˈkeɪd/

stockade

Meaning
a defensive barrier made of strong posts or timbers, often around a fort or prison
Example
The prisoners were kept inside the wooden stockade.
C2 adjective /ˈsɪŋkəˌpeɪtɪd/

syncopated

Meaning
Characterized by displaced beats or rhythms, especially in music.
Example
The jazz piece had a syncopated rhythm that energized the crowd.
C2 adjective /ˌsuːpərˈnuːmərɛri/

supernumerary

Meaning
Exceeding the usual number; extra or unnecessary.
Example
The play included several supernumerary actors to fill the background scenes.
C2 noun /ˈskɪnˌflɪnt/

skinflint

Meaning
a person who spends as little money as possible; a miser
Example
The landlord was such a skinflint that he never repaired anything.
C2 adjective /sɪər/

sere

Meaning
Dry or withered, especially vegetation.
Example
The sere leaves crumbled under his feet.
C2 noun /sneɪk ɡɔːrd/

Snake gourd

Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
C2 noun /spliːn/

spleen

Meaning
an organ in the body that produces lymphocytes and filters blood; also refers to bad temper or spite
Example
He vented his spleen on his coworkers after the meeting.
C2 verb /sɪˈkwɛstreɪt/

sequestrate

Meaning
To take legal possession of assets until a debt is paid or disputes are resolved.
Example
The court decided to sequestrate the company's property.
C2 noun /ˌskʌlˈdʌɡəri/

skullduggery

Meaning
dishonest behavior or activities, often done secretly
Example
The election was full of political skullduggery.
C2 noun /sɪnˈtɪl.ə/

scintilla

Meaning
A tiny trace or spark of a specified quality or feeling.
Example
There wasn’t a scintilla of doubt in her mind.
C2 adjective /ˈsiːkwənt/

sequent

Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
C2 noun /sfɛˈrɪsɪti/

sphericity

Meaning
The quality or state of being spherical; roundness.
Example
The sphericity of the ball made it roll smoothly on the ground.
C2 noun /səbˈsɜːviəns/

subservience

Meaning
the condition of being too willing to obey or serve others
Example
His subservience to authority annoyed his colleagues.
C2 noun /ˈsɪŋkrəˌnɪzəm/

synchronism

Meaning
The simultaneous occurrence of events or actions.
Example
The synchronism of the dancers' movements amazed the audience.
C2 verb /ˈsɪbəleɪt/

sibilate

Meaning
To pronounce with a hissing sound.
Example
The actor sibilated his lines for dramatic effect.
C2 noun /ˈsʊrmə fɪʃ/

Surma fish

Meaning
a freshwater fish species found in the Surma river system of Bangladesh and northeastern India
Example
Surma fish is native to the rivers of Sylhet region.
C2 noun /ˈslʌɡərd/

sluggard

Meaning
A lazy, sluggish person.
Example
The sluggard refused to get out of bed even at noon.
C2 noun /sɒmˈnæmbjʊlɪst/

somnambulist

Meaning
A person who sleepwalks.
Example
The somnambulist wandered out of the house at night.
C2 adjective /sɪˈlæbɪk/

syllabic

Meaning
Relating to or based on syllables.
Example
The teacher explained the syllabic structure of the word.
C2 verb /ˈstʌltɪfaɪ/

stultify

Meaning
to make someone or something appear foolish, or to hinder effectiveness and enthusiasm
Example
The repetitive tasks seemed to stultify the workers' creativity.
C2 noun /ˌsɪɡnɪfɪˈkeɪʃən/

signification

Meaning
the meaning or sense conveyed by a word, action, or symbol
Example
The signification of the gesture was misunderstood.
C2 noun /ˌsɪləbɪˈkeɪʃən/

syllabication

Meaning
The division of words into syllables.
Example
Proper syllabication helps in correct pronunciation.
C2 noun /ˈseɪ.ɡoʊ/

Sago

Meaning
starchy foodstuff obtained from the pith of various tropical palm stems
Example
She prepared sago pudding for dessert.
C2 adjective /spæzˈmɒdɪk/

spasmodic

Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
C2 adjective /ˈspiːʃəs/

specious

Meaning
Superficially plausible but actually false; misleading in appearance.
Example
The politician’s argument was specious, sounding convincing but lacking real evidence.
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.
C2 adjective /ˈslʌvənli/

slovenly

Meaning
Untidy or careless in appearance, habits, or work.
Example
His slovenly appearance made a bad impression at the interview.
C2 noun /ˌsɒ̃ˈfrwɑː/

sangfroid

Meaning
Composure or coolness under pressure.
Example
She impressed everyone with her sangfroid during the interview.
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.
C2 noun /ˈseɪnjər/

seignior

Meaning
A feudal lord; a man of authority in medieval Europe.
Example
The seignior demanded taxes from the peasants.
C2 adjective /sɪˈkweɪʃəs/

sequacious

Meaning
Lacking independence of thought; blindly following.
Example
The sequacious students never questioned their teacher's opinions.
C2 noun səˈtaɪ.ə.ti

satiety

Meaning
The feeling of being satisfied or full, especially with regard to food.
Example
High-fiber foods provide longer satiety.
C2 noun /ˈsɜːfdəm/

serfdom

Meaning
The status or condition of being a serf, bound to work for a lord.
Example
Many peasants in medieval Europe lived under serfdom.
C2 noun /spjuːm/

spume

Meaning
Froth or foam, especially found on waves or liquids.
Example
The waves crashed against the rocks, leaving spume in the air.
C2 noun /ˈsɪbəraɪt/

sybarite

Meaning
a person who loves luxury and pleasure
Example
The millionaire was a true sybarite who lived only for comfort and enjoyment.
C2 noun /ˈsʌbtərˌfjuːdʒ/

subterfuge

Meaning
Deceit used to achieve one's goal; a trick or excuse to evade something.
Example
They used subterfuge to avoid paying taxes.
C2 noun /ˈskɜː.vi/

scurvy

Meaning
A disease caused by a deficiency of vitamin C, leading to weakness, gum disease, and bleeding.
Example
Sailors often suffered from scurvy during long sea voyages without fresh fruits.
C2 adjective /sɛnˈtɛnʃəs/

sententious

Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
C2 adjective /splɪˈnɛtɪk/

splenetic

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

surety

Meaning
a person who takes responsibility for another's performance of an undertaking, such as appearing in court or paying a debt
Example
The landlord required a surety before renting the apartment.
C2 verb /sɛkˈstuːpəl/

sextuple

Meaning
to make or become six times as great or as many
Example
Within two quarters, the campaign sextupled their daily sign-ups.
C2 adjective /ˈstɪdʒiən/

stygian

Meaning
extremely dark, gloomy, or forbidding
Example
They walked through the stygian cave with torches.
C2 noun /sɪˈnɛrəsɪs/

syneresis

Meaning
The contraction of two adjacent vowels into a single syllable or the separation of liquid from a gel.
Example
The yogurt showed syneresis when liquid separated on top.
C2 noun /ˈstætɪks/

statics

Meaning
The branch of mechanics dealing with bodies at rest and forces in equilibrium.
Example
She is studying statics as part of her engineering course.
C2 noun /ˌsɒ̃ˈfrwɑː/

sang-froid

Meaning
Composure or coolness, especially in difficult situations.
Example
The leader handled the crisis with remarkable sang-froid.
C2 adjective /ˌsɛm.iˈsɪv.ə.laɪzd/

semicivilized

Meaning
Partially civilized; having some aspects of civilization but not fully developed.
Example
The tribe was described as semicivilized by early explorers.
C2 adjective /ˌsɒfəˈmɒrɪk/

sophomoric

Meaning
showing immaturity and overconfidence, like a sophomore
Example
His sophomoric behavior embarrassed his friends.
C2 noun /ʃiːt fɪʃ/

Sheat-fish

Meaning
A large freshwater catfish with a broad flat head and long barbels
Example
The sheat-fish is one of the largest freshwater fish in South Asia.
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.
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.
C2 adjective /ˈsiːmli/

seemly

Meaning
proper or appropriate in behavior or appearance
Example
It was not seemly to argue loudly during the ceremony.
C2 noun /ˈsɛnʃəns/

sentience

Meaning
The capacity to feel, perceive, or experience subjectively.
Example
Many argue that animals possess sentience.
C2 noun /ˈʃæd.ək/

Shaddock

Meaning
a large citrus fruit similar to grapefruit; pomelo
Example
The shaddock is the largest citrus fruit in the world.
C2 adjective /ˌseɪpiˈɛnʃəl/

sapiential

Meaning
Relating to wisdom or knowledge, often in a religious or philosophical sense.
Example
The monk shared sapiential teachings with his students.
C2 adjective /ˌsæsərˈdoʊtl/

sacerdotal

Meaning
Relating to priests or the priesthood.
Example
The ritual had a distinctly sacerdotal character.
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.
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.
C2 noun /skɪf/

skiff

Meaning
a small, light boat usually for one person
Example
The fisherman paddled his skiff across the lake.
C2 adjective /ˈseɪpiənt/

sapient

Meaning
Wise, or appearing to be wise.
Example
The professor gave a sapient response to the complex question.