← English Vocabulary

Advanced English Words

For the GRE and graduate school: the hardest words of all. 990 words, A to Z.

77 words starting with S

  • saccharine adjective

    too sweet or sentimental in a false way

    The movie’s saccharine ending made some viewers roll their eyes.

    Like syrupy, mawkish, cloying

  • sacrosanct adjective

    too important or holy to be changed or questioned

    In our house, Saturday morning tea with grandmother is sacrosanct.

    Like sacred, inviolable, untouchable

  • sagacious adjective

    wise and showing good judgment

    The sagacious village elder settled the dispute over the water tap.

    Like wise, shrewd, astute

  • sagacity noun

    wisdom and sound judgment

    The guide’s sagacity in reading the weather kept the trekkers safe.

    Like wisdom, insight, shrewdness

  • sallow adjective

    (of skin) slightly yellow and unhealthy-looking

    After weeks indoors with the flu, his face looked sallow.

    Like pale, pallid, wan

  • salubrious adjective

    good for health; pleasant and clean

    The salubrious mountain air helped her recover her energy.

    Like healthy, wholesome, healthful

  • salutary adjective

    producing a good effect, often after something unpleasant

    Failing the practice test was a salutary lesson in starting revision early.

    Like beneficial, helpful, valuable

  • sanctimonious adjective

    acting as if morally better than others

    His sanctimonious lecture about tidiness ignored his own messy desk.

    Like self-righteous, preachy, holier-than-thou

  • sanguine adjective

    cheerfully hopeful, especially in a difficult situation

    The coach remained sanguine about our chances despite the rain.

    Like optimistic, hopeful, confident

  • sardonic adjective

    mocking in a dry, bitter way

    He gave a sardonic laugh when the bus broke down for the third time.

    Like mocking, sarcastic, derisive

  • sate verb

    to satisfy a desire or appetite completely

    A big plate of momos sated our hunger after the football match.

    Like satisfy, satiate, fill

  • satiate verb

    to fill someone with as much as or more than they want

    The huge feast satiated even the hungriest guests.

    Like sate, glut, fill

  • saturnine adjective

    gloomy, serious, and unsmiling in temperament or look

    The saturnine librarian rarely smiled, but he always found the right book.

    Like gloomy, dour, morose

  • savant noun

    a person of great learning or special knowledge

    The visiting savant answered every question about ancient Sanskrit texts.

    Like scholar, sage, expert

  • schism noun

    a split within a group into opposing parts

    A schism in the chess club led to two separate clubs meeting on different days.

    Like split, rift, division

  • scintillating adjective

    brilliantly clever and lively; sparkling

    The scientist gave a scintillating talk about black holes.

    Like brilliant, sparkling, dazzling

  • scurrilous adjective

    making false, insulting claims meant to damage someone’s name

    The newspaper apologized for printing scurrilous rumors about the athlete.

    Like defamatory, slanderous, abusive

  • scuttle verb

    to run with short, quick steps; to sink a ship on purpose

    A crab scuttled sideways across the wet sand.

    Like scurry, scamper, scramble

  • sedition noun

    speech or action that urges people to rebel against the government

    The history book explains how colonial laws against sedition limited what newspapers could print.

    Like incitement, subversion, agitation

  • sedulous adjective

    working steadily and carefully, with great attention

    The sedulous student copied every diagram neatly into her notebook.

    Like diligent, assiduous, industrious

  • seminal adjective

    strongly influencing later work or ideas

    Darwin’s book was a seminal work in the study of biology.

    Like influential, groundbreaking, formative

  • sententious adjective

    fond of giving moral advice in a pompous, preachy way

    The sententious speaker filled his talk with lessons nobody had asked for.

    Like moralizing, preachy, pompous

  • sequester verb

    to isolate or hide away; to keep apart

    The jury was sequestered in a hotel until they reached a decision.

    Like isolate, seclude, segregate

  • servile adjective

    too eager to obey or please others

    The servile assistant agreed with everything his boss said.

    Like obsequious, subservient, fawning

  • shirk verb

    to avoid a duty or work through laziness

    He shirked his share of the cleaning by pretending to be busy.

    Like dodge, evade, avoid

  • sinecure noun

    a job that pays well but needs little or no work

    His title of “honorary advisor” was a sinecure with no real duties.

    Like cushy job, easy job

  • sinuous adjective

    having many smooth curves and turns

    The sinuous road wound up the hillside to Nagarkot.

    Like winding, serpentine, twisting

  • skulk verb

    to move about or hide in a secret, guilty way

    The cat skulked behind the sofa after knocking over the vase.

    Like lurk, sneak, slink

  • slake verb

    to satisfy thirst; to quench

    We slaked our thirst with cool water from the mountain stream.

    Like quench, satisfy, sate

  • slothful adjective

    lazy and unwilling to work

    The slothful dog lay in the sun all afternoon.

    Like lazy, idle, indolent

  • slovenly adjective

    messy and careless in appearance or work

    His slovenly handwriting made the answers hard to read.

    Like untidy, sloppy, unkempt

  • sobriquet noun

    a nickname

    The tall goalkeeper earned the sobriquet “The Wall.”

    Like nickname, moniker, epithet

  • solicitous adjective

    showing care and concern for someone’s comfort or well-being

    The solicitous host made sure every guest had tea and a cushion.

    Like attentive, caring, considerate

  • solipsism noun

    the belief that only one’s own mind is sure to exist; extreme self-centeredness

    The philosophy class debated whether solipsism can ever be disproved.

    Like self-absorption, egocentrism

  • somnolent adjective

    sleepy or drowsy; causing sleep

    The warm afternoon made the whole class somnolent.

    Like drowsy, sleepy, soporific

  • sonorous adjective

    (of a sound) deep, full, and rich

    The sonorous bell of the temple could be heard across the valley.

    Like resonant, rich, booming

  • sophist noun

    a person who uses clever but false arguments to win

    Like a sophist, he argued that homework was harmful because paper comes from trees.

    Like casuist, quibbler

  • sophistry noun

    clever-sounding reasoning that is actually false or misleading

    Her claim that skipping class saves the school electricity was pure sophistry.

    Like casuistry, fallacy, specious reasoning

  • sophomoric adjective

    immature and overconfident while poorly informed

    The essay’s sophomoric jokes distracted from its few good ideas.

    Like juvenile, immature, puerile

  • soporific adjective

    causing sleep or drowsiness

    The soporific hum of the fan sent the children to sleep.

    Like sleep-inducing, somnolent, sedative

  • sordid adjective

    morally low and dishonest; very dirty and unpleasant

    The newspaper exposed the sordid details of the bribery scheme.

    Like sleazy, squalid, seamy

  • spartan adjective

    very simple and plain, without comfort or luxury

    The mountain hut was spartan, with just a wooden bed and a small stove.

    Like austere, plain, bare

  • specious adjective

    seeming correct or true but actually false

    The advertisement made a specious claim that the drink improves memory.

    Like misleading, deceptive, fallacious

  • spendthrift noun

    a person who spends money wastefully

    The spendthrift spent all his pocket money on sweets by Monday.

    Like squanderer, wastrel, prodigal

  • spurious adjective

    false or fake, though made to look genuine; based on bad reasoning

    The museum found that the ancient coin was spurious.

    Like fake, false, counterfeit

  • squalid adjective

    extremely dirty and unpleasant, usually from neglect

    The volunteers turned the squalid empty lot into a clean community garden.

    Like filthy, sordid, wretched

  • staid adjective

    serious, respectable, and dull; not adventurous

    The staid old club finally agreed to try a new dance at the party.

    Like sedate, sober, conservative

  • stalwart adjective

    loyal, reliable, and hardworking

    She has been a stalwart member of the school choir for six years.

    Like loyal, steadfast, dependable

  • stasis noun

    a state of no change or movement

    The project was in stasis until the new funding arrived.

    Like stagnation, standstill

  • stentorian adjective

    (of a voice) very loud and powerful

    The coach’s stentorian voice carried across the whole football ground.

    Like booming, thunderous, loud

  • stilted adjective

    stiff and unnatural, not relaxed or flowing

    His stilted speech sounded as if he had memorized it from a textbook.

    Like stiff, wooden, forced

  • stint noun

    a fixed period of time spent doing a job or activity

    After a two-year stint as a teacher in Jumla, she returned to Kathmandu.

    Like spell, term, period

  • stolid adjective

    calm and showing little emotion, even when others are excited

    The stolid guard did not smile, even when the children made funny faces.

    Like impassive, unemotional, phlegmatic

  • stratagem noun

    a clever plan or trick to achieve a goal

    Our stratagem to get the cat into its basket involved a trail of fish.

    Like scheme, ploy, ruse

  • strident adjective

    loud and harsh; forceful in a way that sounds aggressive

    The strident sound of the alarm woke everyone in the house.

    Like harsh, shrill, grating

  • stultify verb

    to make dull, slow, or ineffective, especially through boring routine

    Copying notes for hours can stultify even the brightest student’s curiosity.

    Like stifle, dull, deaden

  • stupefy verb

    to make someone unable to think clearly, from shock or surprise

    The magician’s final trick stupefied the audience.

    Like stun, astound, daze

  • stygian adjective

    extremely dark, gloomy, and forbidding

    The cave was so stygian that we could not see our hands.

    Like pitch-black, murky, gloomy

  • stymie verb

    to block or prevent progress

    A broken printer stymied our plan to finish the posters before lunch.

    Like thwart, hinder, obstruct

  • subjugate verb

    to bring under complete control, especially by force

    The empire subjugated many small kingdoms in the region.

    Like conquer, subdue, dominate

  • sublimate verb

    to redirect a strong feeling or urge into a more acceptable activity; (in chemistry) to change from a solid straight into a gas

    He sublimated his restless energy into long runs along the river.

    Like channel, redirect, divert

  • subservient adjective

    too willing to obey others; less important than something else

    The new manager did not want subservient workers who were afraid to give ideas.

    Like submissive, servile, obedient

  • subterfuge noun

    a trick or secret plan used to hide the truth

    By a clever subterfuge, the twins kept the birthday party a secret.

    Like deception, trickery, ruse

  • subversive adjective

    trying to weaken or overthrow an established system or authority

    The censors banned the play because they thought it was subversive.

    Like seditious, rebellious, dissident

  • succor noun

    help and support in a time of need

    The villagers offered succor to the stranded trekkers during the storm.

    Like aid, relief, assistance

  • sundry adjective

    of various kinds; several

    The drawer held sundry items: string, buttons, coins and a broken pencil.

    Like various, assorted, miscellaneous

  • supercilious adjective

    behaving as if one is better than others; scornfully proud

    The supercilious waiter looked down his nose at our simple order.

    Like haughty, condescending, disdainful

  • supine adjective

    lying flat on the back, face upward; unwilling to act

    The patient lay supine on the table for the X-ray.

    Like face-up, passive

  • supplant verb

    to take the place of something or someone, often by force or cunning

    Smartphones have largely supplanted paper maps for travelers.

    Like replace, displace, supersede

  • supplicant noun

    a person who humbly asks for something, especially from someone powerful

    The supplicants waited at the temple gate to present their offerings.

    Like petitioner, suppliant, pleader

  • surfeit noun

    too much of something

    A surfeit of sweets during Tihar left the children with stomachaches.

    Like excess, glut, overabundance

  • surly adjective

    bad-tempered and unfriendly

    The surly shopkeeper barely answered when we asked for directions.

    Like grumpy, sullen, gruff

  • surreptitious adjective

    done secretly so others will not notice

    She took a surreptitious look at her watch during the long speech.

    Like secret, furtive, stealthy

  • sybarite noun

    a person very fond of luxury and pleasure

    The sybarite spent the whole holiday in a spa, eating fine food.

    Like hedonist, voluptuary, pleasure-seeker

  • sycophant noun

    a person who flatters important people to gain favor

    The king’s court was full of sycophants who praised his every word.

    Like flatterer, toady, yes-man

  • sycophantic adjective

    flattering powerful people too much to win favor

    His sycophantic praise of the principal made the other students groan.

    Like obsequious, fawning, servile

  • sylvan adjective

    relating to the woods; full of trees

    The sylvan path to the monastery was cool and shady.

    Like wooded, forested, woodland