Words about words

Slept is the past tense of sleep.

Slick means shiny, smooth, or slippery. Lots of men enjoy styling their hair so it looks slick.

You slide along a slippery surface by moving across it without ever breaking contact with that surface. The people in the picture are sliding down a waterslide.

Something is slippery if it very hard to get a hold of, or you can't stick to it. A slippery surface is one your shoes or feet don't grip onto, so you fall over when you are walking on them. Slippery things are usually very smooth and are often wet and slimey.
Some things that are slippery are ice, wet roads, banana peels, and rocks at the beach at low tide that have algae growing on them.
The opposite of slippery is sticky.

Snails move very slowly. If you take a very long time to finish doing something, you are slow. The opposite of slow is fast.

Something is small if other things are much bigger than it. In the picture, the dog on the bench is much smaller than the dog on the ground.

You smash something when you break it up into lots and lots of pieces. When something has been smashed it is usually so badly broken it cannot be fixed.

Snap means to make a sharp noise using your fingers. People often snap to hurry someone.

It might also mean to break something long and thin, like snapping a twig.

A sneeze is a sudden explosion of air from your nose and mouth. You usually sneeze if something tickles the inside of your nose, or if you have a cold.
It is a good idea to cover your nose and mouth when you sneeze, like the man in the picture. A lot of mucous can come out when you sneeze and can travel a long way. If you are sick, you can make other people sick by sneezing near them.

Something is snug if it is wrapped up, warm and comfortable.
Clothes might be described as snug if they are a little tight, but not too tight. A house or another place is described as snug if it is a little small, but not too small.
A similar word to snug is cozy.