Cool Words That Start With S (With Definitions)

Cool words can add a touch of personality and flair to any conversation or piece of writing.

Whether you’re looking for a unique adjective to describe something or just want to expand your vocabulary, words that start with S offer a plethora of options.

From sophisticated and scallywag to serendipity and smithereens, there’s a cool S word for every occasion.

Below is a list of some of the coolest words that start with S, along with a brief description of each one.

Cool Words That Start With S

Sagacious: having or showing keen mental discernment, good judgement, and farsightedness.
Salubrious: promoting health and well-being; wholesome.
Sanguine: cheerfully optimistic and confident; hopeful and trusting.
Savvy: showing knowledge or understanding; shrewdness in practical matters.
Scallywag: a mischievous person, especially a child; rogue or rascal.

Schlep: to drag or carry something with great effort; to haul reluctantly.
Scintillate: to sparkle or shine brightly; to emit flashes of light.
Scintillating: having an excitingly brilliant quality or appearance; sparkling.
Scrumptious: extremely pleasing to the taste; delicious.
Serendipitous: having a pleasant surprise; lucky to find something good without looking for it.

Serendipity : the occurrence of happy or beneficial events by chance.
Serene: calmly peaceful and untroubled; tranquil.
Shipshape: in order; neat, tidy, and well organized.
Silhouette : the outline or general shape of something, especially a person’s face or body, filled in with black or a dark color.
Sleek: elegant, stylish and streamlined in appearance or design.

Slick: smooth and glossy; cleverly dexterous and skillful in a way that is sometimes deceptive.
Smithereens: small pieces, shards or fragments; in total disarray.
Smorgasbord: a variety of dishes, especially hot and cold hors d’oeuvres or salads, set out for general consumption.
Sonorous : producing a deep, rich sound; imposingly grand and impressive.
Soothe: to calm, comfort or reassure; to lessen pain or distress.

Soothing: calming, comforting or reassuring; having a gentle and peaceful effect.
Sophisticated: having or showing refined knowledge, good taste, or polish in manners or conversation.
Sparkle: emitting or reflecting flashes of light; radiating joy and vivacity.
Spellbinding: so captivating as to mesmerize; having a powerful, gripping effect.
Spiffy: stylishly and smartly dressed; neat and trim.
Spirited: full of energy and enthusiasm; having a bold or brave spirit.

Splendid: magnificent, grand, and imposing in appearance; impressive or admirable in the highest degree.
Splendiferous: splendid in appearance or effect; grand and impressive.
Sprightly: lively, animated, and full of energy; having a brisk and vigorous spirit.
Spruce: neat and trim; smartly dressed.
Spry: nimble and alert; quick or brisk in movement or action.

Squeegee: a tool with a rubber blade for wiping the surface of glass to remove moisture or other substances.
Stimulating: arousing interest, activity, or emotion; invigorating and enlivening.
Stoke: to stir up or intensify; to fan the flames of enthusiasm.
Stunning: extremely impressive; beautiful and remarkable.
Stupefy: to astonish, amaze or bewilder; to render senseless or speechless.
Stupendous: extremely impressive; extraordinary or marvelous.

Sublime: having a lofty, grandeur beauty; being beyond ordinary comprehension.
Sultry: having an atmosphere of intense heat and humidity; steamy and sweltering.
Sumptuous: extremely luxurious; having an impressively high quality or value.
Superb: excellent in every way; surpassing other things of the same kind.
Supreme: highest in importance, rank, or degree; unsurpassed in excellence.

Supremely: to the highest degree; beyond compare.
Surreal : having the qualities of surrealism; bizarre, dreamlike, or uncanny.
Svelte: slender and graceful in form or figure; trim and attractive.
Swanky – stylishly luxurious or expensive; posh and elegant.
Swashbuckling: adventurous, daring and flamboyant; having a brave and bold spirit.
Synergistic: working together to achieve an effect greater than the sum of their separate parts.