English words starting with S

The 18th letter of the Greek alphabet (Σ, σ, or ς).

shaped like the letter s or the greek letter sigma

a medical examination of the inside of the sigmoid colon using a sigmoidoscope.

a mark or object used to represent something or to give information

A system of communication using visual gestures and signs, especially one used by deaf people.

an act of giving formal or final approval

Signs, especially commercial or public information signs, considered collectively.

A sign, gesture, sound, or action that is used to give information or instructions, or to make something known.

The analysis, modification, or synthesis of signals, such as sound, images, or scientific measurements, using electronic or computational techniques.

The ratio of the strength of a meaningful signal to the strength of background noise, often used as a measure of quality or clarity.

The process or activity of sending signals, especially as a means of communication.

A person, organization, or country that has signed an official document, especially a treaty or contract.

a person's name written in a distinctive way as a form of identification or authorization.

A board with a sign on it, used for displaying information or advertisements.

Having a signature written on it to show authenticity, approval, or authorship.

A person who signs a document, contract, or other official paper.

A small seal, especially one set into a ring, used historically to authenticate documents.

the importance or meaning of something

Having a particular meaning; expressive or suggestive.

In a way that is large or important enough to be noticed or have an effect.

The meaning or sense of a word, symbol, or expression.

A sign, word, or symbol that represents a concept or meaning.

to be a sign of something; to mean.

the act of writing your name on a document to show that you agree with it or that it is genuine.

A title or form of address for a married Italian woman, equivalent to "Mrs." or "Madam."

a title or form of address for an unmarried italian woman, equivalent to "miss".

A post with a sign on it, giving information such as the direction and distance to a place.

A small deer (Cervus nippon) native to East Asia, characterized by a reddish-brown summer coat that often has white spots, and a darker, thicker winter coat.

A follower of Sikhism, a monotheistic religion founded in the Punjab region of India in the 15th century.

grass or other green fodder compacted and stored in airtight conditions, typically in a silo, without first being dried, and used as animal feed in the winter.

Complete absence of sound

Made silent; having had sound or noise stopped.

a device that reduces the noise made by a gun when it is fired

the action of making someone or something silent or preventing the expression of ideas or information.

making no sound; completely quiet.

A motion picture, especially from the early period of cinema, that has no synchronized recorded sound, with dialogue and narrative conveyed through intertitles, acting style, and musical accompaniment.

A motion picture, especially one made in the early days of cinema, that has no synchronized recorded sound, often accompanied by live music and using intertitles to convey dialogue and narrative.

In a way that makes little or no sound.

of or relating to the region of silesia, its people, or their culture

a dark shape seen against a light background

Shown as a dark shape and outline against a lighter background.

A hard, unreactive, colorless compound which occurs as the mineral quartz and as a principal constituent of sandstone and other rocks.

A salt or ester of silicic acid, containing the anion SiO₄⁴⁻ or a related anion, and constituting a major component of many rocks and minerals.

A non-metallic chemical element with atomic number 14, found widely in the earth's crust in silica and silicates, and used especially in making electronic devices and glass.

Made from or using silicon as a fundamental component.

Any of a large class of chemical compounds consisting of long chains of alternating silicon and oxygen atoms, with organic groups attached to the silicon atoms, known for their stability and used in lubricants, adhesives, and rubber-like materials.

a serious lung disease caused by breathing in dust containing silica, often affecting miners and stonecutters.

a fine, soft, shiny fiber produced by silkworms and used to make cloth

A method of printing using a fine mesh screen through which ink is forced onto a surface, such as fabric or paper.

Describing a design or image produced by forcing ink through a fine mesh screen onto a surface, especially fabric or paper.

made of silk; having the smooth, soft, or shiny quality of silk

A caterpillar that produces a silk cocoon, especially the larva of a moth native to Asia that is the chief source of commercial silk.

Having the smooth, soft, and shiny quality of silk.

extremely smooth, soft, and pleasant to touch, like silk

a flat horizontal piece, usually of wood or stone, forming the base of the frame of a window or door.

the quality or state of being silly; foolish or absurd behavior or lack of seriousness.

Lacking common sense or good judgment; foolish or stupid.

a tall tower or pit on a farm used to store grain

Fine sand, clay, or other material carried by running water and deposited as a sediment, especially in a channel or harbor.

The process of becoming choked or filled with silt.

(present participle) The process of filling, blocking, or covering something with silt (fine sand, clay, or other material carried by running water and deposited as a sediment).

Containing or resembling silt (fine sand, clay, or other material carried by running water and deposited as a sediment).

a precious shiny greyish-white metal, the chemical element of atomic number 47

of a colour that is a blend of silver and blue; having a metallic blue sheen.

having the color of silver; a shiny, pale greyish-white color.

Having a frame made of or covered with silver.

covered with a thin layer of gold or gold-colored material over a silver base.

of a color that is a blend of silver and gray; a pale, metallic gray.

having hair that is the color of silver or white, typically because of age.

covered with a thin layer of silver

Having the tip or end part colored or marked with silver.

(of a person) able to speak in a pleasant and clever way that persuades people, often in a way that is not completely sincere.

an older, dominant male gorilla, typically with grey or silver hair on its back.

covered with or having a thin layer of silver.

a small, wingless, silvery-grey insect that feeds on starchy materials and is often found in houses.

any of various small, slender fish, typically having a silvery stripe along each side.

a person who makes and repairs articles of silver.

utensils such as knives, forks, and spoons, used for eating or serving food, typically made of or originally made of silver.

resembling silver in colour or appearance; shiny and greyish-white.

Relating to the growing and care of forests.

Relating to, resembling, or affecting apes or monkeys.

almost the same as someone or something else, but not exactly identical.

Having an appearance that is almost the same as something else; resembling something else closely in appearance.

Having a size that is approximately the same or comparable.

Having approximately the same dimensions or magnitude.

the state or fact of being like or similar to something else.

in a similar way; almost the same

A figure of speech involving the comparison of one thing with another thing of a different kind, used to make a description more emphatic or vivid (e.g., as brave as a lion).

The quality or state of being similar to something.

To cook something by keeping it almost at boiling point, with small bubbles forming slowly on the surface.

(of a conflict, disagreement, or negative feeling) continuing at a low level without erupting into open or violent expression.

To polish (especially a car) with wax or a similar substance.

The buying or selling of spiritual or holy things, especially positions or privileges in the Christian church.

To smile in a silly, affected, or self-conscious way.

Smiling in a silly, affected, or self-conscious way.

Easy to understand or do; not complicated.

Lacking intelligence or the ability to think in a complex way; not clever.

A person who is not very intelligent or who lacks good judgment; a foolish or gullible person.

Composed of or characterized by a single part or structure; not complex or compound.

The quality or condition of being easy to understand or do.

the process of making something easier to do or understand, or the result of this process.

Made less complex or complicated; easier to understand or do.

to make something less complicated and therefore easier to do or understand

Making something easier to do or understand.

treating complex issues and problems as if they were much simpler than they really are

in a way that makes a problem or situation seem less complicated than it really is, often by ignoring important details

in a straightforward or plain manner

an image or representation of someone or something.

to create a particular set of conditions that exist in real life using computers, models, etc., usually for study or training purposes.

made to look, feel, or behave like something else, especially for the purpose of training or research.

The process of creating a model of a real or hypothetical system and conducting experiments with it to understand its behavior or evaluate strategies.

A machine or piece of software that is used for training people by imitating real conditions.

A broadcast of a program on television and radio at the same time.

the fact that two or more things happen or exist at the same time.

Happening or existing at the same time.

At the same time.

a drug used to lower cholesterol levels in the blood.

An action or way of behaving that is against a religious or moral law.

from a particular time in the past until a later time, or until now

(of a person, feelings, or behavior) not pretending or lying; honest and genuine.