| smell | noun |  | the sense you use to notice odors through your nose | Smell is one of the five senses |  |  |  | 
          
          | smile | verb |  | to show you are happy by widening your mouth and turning up the corners of your lips. |  |  |  |  | 
          
          | smoke | verb |  | the cloud of gas and small ash particles that rises from a fire. |  |  |  |  | 
          
          | smolder | verb |  | to burn very slowly, without any flames |  |  |  |  | 
          
          | smooth | adjective | v1 | having an even surface, without sharp edges or lumps. | As smooth as glass. |  |  |  | 
          
          | smudge | noun |  | a dirty mark made by rubbing or smearing something onto a surface. | She had a smudge of chalk on her cheek. |  |  |  | 
          
          | smuggle | verb |  | to take something into a place secretly and illegally | They smuggled their cargo into the country under cover of darkness. |  |  |  | 
          
          | snack | noun |  | a small amount of food eaten between meals or instead of a meal. |  |  |  |  | 
          
          | snail | noun |  | a slow-moving animal with a spiral shell. | Snails live on land or in water and eat mainly plants. When in danger, snails pull their soft bodies back into their shells. |  |  |  | 
          
          | snake | noun |  | a long, thin reptile with no legs. | Snakes eat insects, eggs, fish, or animals. Some snakes are poisonous, while others kill by squeezing their prey tightly. |  |  |  | 
          
          | snap | verb |  | to make a sudden cracking noise. | Snap your fingers. |  |  |  | 
          
          | snarl | verb |  | to growl fiercely, showing the teeth. | The guard dog snarled at the burglar. |  |  |  | 
          
          | snatch | verb |  | to take hold of something suddenly | I snatched my coat and ran out of the house. |  |  |  | 
          
          | sneak | verb |  | to move or act in a quiet or secret way. | He sneaked out of the room when no one was looking. |  |  |  | 
          
          | sneer | verb |  | to show scorn about something or someone. | “My bike is better than yours,” she sneered. |  |  |  | 
          
          | sneeze | verb |  | to force air out of your nose in a sudden, uncontrolled way |  |  |  |  | 
          
          | sniff | verb |  | to breathe in noisily through your nose. | Stop sniffing and blow your nose! |  |  |  | 
          
          | snip | verb |  | to cut something with scissors in one, quick movement. | Snipping the top off the box. |  |  |  | 
          
          | snore | verb |  | to breathe noisily as you sleep. |  |  |  |  | 
          
          | snorkel | noun |  | a short tube that a swimmer holds in his or her mouth in order to breathe underwater. |  |  |  |  | 
          
          | snorkel | verb |  | to swim using a snorkel. |  |  |  |  | 
          
          | snout | noun |  | an animal’s long nose and jaws |  |  |  |  | 
          
          | snow | noun |  | soft, white flakes of ice that fall from the clouds in cold weather |  |  |  |  | 
          
          | snowball | noun |  | a ball shape made by pressing snow together. |  |  |  |  | 
          
          | snowdrift | noun |  | snow that has been blown into a pile by the wind. |  |  |  |  | 
          
          | snowflake | noun |  | a group of ice crystals that falls as a tiny piece of snow. |  |  |  |  | 
          
          | snowman | noun |  | a figure that you build with snow. |  |  |  |  | 
          
          | snowplow | noun |  | a machine used to clear snow off the roads or off other surfaces. |  |  |  |  | 
          
          | snowstorm | noun |  | a storm during which a lot of snow falls. |  |  |  |  | 
          
          | snug | adjective |  | comfortable and warm. | The cat looked very snug curled up inside the basket. |  |  |  |