Vocabulary Words Starting With S

75 GRE, SAT, IELTS, and TOEFL vocabulary words beginning with S.

Sagacious medium
adjective

Showing good judgment and keen insight, especially about practical matters.

Salient medium
adjective

Standing out as the most noticeable or important feature of something.

Sanctimonious medium
adjective

Acting as though one is morally superior to others in a way that feels fake or hypocritical.

Sanction hard
verb

To officially approve or authorize an action -- confusingly, the related noun can also mean a penalty imposed for breaking a rule.

Sanguine medium
adjective

Cheerfully confident and optimistic that things will turn out well.

Sardonic medium
adjective

Mocking or scornful in a dry, biting way, often through sarcasm.

Satiate medium
verb

To satiate a craving is to fill it so completely that no more is wanted, at least for the moment.

Saturnine hard
adjective

A saturnine person tends to be sullen, withdrawn, and slow to show warmth or cheer.

Savant easy
noun

A savant possesses a remarkably deep and specialized expertise, often standing out as exceptional in that one area.

Savor easy
verb

To enjoy or appreciate something slowly and fully, drawing out the pleasure of the experience.

Savvy easy
adjective

Having practical knowledge and good judgment, especially about a specific subject.

Scathing medium
adjective

Extremely harsh and critical in a way that feels painfully sharp.

Scrupulous medium
adjective

Extremely careful and thorough about doing what is right, down to the smallest detail.

Scrutinize medium
verb

To examine something very closely and critically.

Scurrilous hard
adjective

Making false or insulting statements about someone in order to damage their reputation.

Sedentary medium
adjective

Involving a lot of sitting and very little physical movement or exercise.

Sedulous hard
adjective

A sedulous worker applies steady, painstaking effort to a task over a long period without giving up.

Sequential easy
adjective

Following a particular, logical order, one after another.

Serendipitous medium
adjective

Happening by a lucky chance in a way that turns out to be pleasant or valuable.

Serene easy
adjective

Calm, peaceful, and untroubled.

Servile medium
adjective

Servile behavior shows an exaggerated eagerness to please or obey, often out of fear or desire for favor.

Shrewd medium
adjective

Having sharp practical judgment, especially in business or money matters.

Simultaneous easy
adjective

Happening or existing at exactly the same time as something else.

Sinister easy
adjective

Giving the impression that something evil or harmful is about to happen.

Skeptical easy
adjective

Having doubts about whether a claim is true and not easily convinced.

Solace medium
noun

Comfort received during a time of great sadness or distress.

Solicitous medium
adjective

A solicitous person pays close, caring attention to another's comfort or needs, sometimes to the point of hovering.

Somber easy
adjective

Dark, gloomy, or serious in mood, tone, or appearance.

Somnolent medium
adjective

A somnolent state or atmosphere is marked by heavy drowsiness, whether in a person or in a quiet place.

Sophisticated easy
adjective

Highly developed, complex, and refined, or having worldly experience and refined tastes.

Sophistry hard
noun

Sophistry is an argument built to sound convincing while actually resting on flawed or dishonest logic.

Sophomoric medium
adjective

Sophomoric behavior displays the overconfidence of someone who has learned just enough to think they know everything.

Sordid medium
adjective

Involving immoral or dishonorable actions and motives, morally degraded.

Sparse easy
adjective

Thinly scattered or distributed, with only a small amount present.

Specious hard
adjective

Appearing to be reasonable or true at first glance, but actually false or misleading.

Speculate medium
verb

To form a guess or theory about something without having complete information.

Spontaneous medium
adjective

Happening naturally and suddenly, without being planned in advance.

Sporadic medium
adjective

Happening occasionally and at irregular intervals rather than continuously.

Spurious hard
adjective

Not genuine or authentic, and often meant to deceive by appearing legitimate.

Spurn medium
verb

To spurn an offer or a person is to refuse it forcefully, making clear one considers it beneath consideration.

Squalor medium
noun

A filthy, run-down condition, often resulting from poverty or neglect.

Squander easy
verb

To waste money, time, or an opportunity carelessly.

Stagnant easy
adjective

Not growing, changing, or moving; stuck in the same state for too long.

Stalwart easy
adjective

Loyal, dependable, and firm in one's support, especially under pressure.

Stark easy
adjective

Very obvious, harsh, or severe, often used to describe a sharp contrast.

Static easy
adjective

Staying the same; not moving, changing, or developing.

Staunch medium
adjective

Loyal and steady in one's beliefs or support, especially under pressure.

Steadfast easy
adjective

Firmly loyal or fixed in purpose, without wavering.

Stipulate medium
verb

To state clearly and firmly that something must be done as part of an agreement.

Stoic easy
adjective

Enduring hardship or pain without complaining or showing much emotion.

Stringent medium
adjective

Strict and rigorously enforced, leaving little room for exception.

Subjective medium
adjective

Based on personal feelings, opinions, or perspective rather than objective, verifiable facts.

Sublime easy
adjective

So excellent, beautiful, or grand that it inspires awe.

Subordinate medium
adjective

Lower in rank, power, or importance compared to something or someone else.

Subsequent easy
adjective

Coming after something else in time or order.

Subside easy
verb

To become gradually less intense or to settle down.

Substantial easy
adjective

Large in size, value, or importance; significant enough to matter.

Substantiate medium
verb

To provide evidence or proof that supports a claim.

Subtle medium
adjective

So slight or delicate that it is not easy to notice or describe.

Subversive medium
adjective

Seeking to undermine or overthrow an established system, government, or set of ideas.

Succinct medium
adjective

Expressed clearly in very few words, with nothing unnecessary included.

Succumb easy
verb

To stop resisting and give in to something, such as pressure, temptation, or illness.

Supercilious hard
adjective

Behaving as though one is superior to others, with a haughty and dismissive attitude.

Superficial medium
adjective

Concerned only with the surface or obvious aspects, without any real depth.

Superfluous medium
adjective

More than what is needed, to the point of being unnecessary or excessive.

Supplant medium
verb

To take the place of another, especially through force, scheming, or superior position.

Suppress medium
verb

To stop something from being expressed, noticed, or allowed to grow, whether it is a feeling, action, or piece of information.

Surfeit hard
noun

A surfeit is so large a quantity of something that it becomes overwhelming or even harmful.

Surge easy
noun

A sudden, powerful increase in the amount or intensity of something.

Surmise hard
verb

To guess or conclude something based on limited or incomplete information, without solid proof.

Surpass easy
verb

To do or be better than someone or something else, going beyond an expectation or limit.

Surreptitious hard
adjective

Done secretly and quickly in order to avoid being noticed.

Sustain easy
verb

To keep something going over time, or to support and maintain it.

Sycophant hard
noun

A person who flatters someone powerful purely to gain favor or advantage.

Synthesize medium
verb

To combine separate ideas, elements, or pieces of information into one unified whole.