Words that start with O

An outline is a type of drawing where thin lines are used to define the edges of what you are drawing a picture of. Artists often start a picture by drawing the outline in lead pencil, and then coloring or shading it in.

An outline is also the way of describing an event or situation by giving only the most essential details, as in "here's an outline for Monday's telecast".

The little girl in the picture is outside in her backyard playing. The opposite of outside is inside.

An oval is like a circle that is not perfectly round. Ovals have one long, curved edge but are not the same size in all directions. Their width and height are different. The stone in the middle of the ring in this picture is a blue oval.

An oven is a container that is made very hot by fire or some other heat source. More modern ovens have a door that closes tight and a very evenly regulated temperature.

Ovens are used to cook food, most commonly baked goods like bread and pies and to roast meat or vegetables.

The man in the picture looks like he is jumping over the woman in the picture.

Overalls are a garment that you wear over the top of other clothes. It is like a pair of jeans or trousers, but instead of only being below the waist it comes up a lot higher and has a front panel that covers your chest and straps over your shoulders.

The sky is overcast if it is almost entirely covered in clouds.

On an overcast day, there is often a high chance of rain.

Something overflows if you keep putting things inside it, and those things fall out because there is no more room for them inside.

The glass of water in the picture has been filled and is now overflowing.

Something is overgrown if it is covered in growth, outside of where it should be. Gardens can become overgrown if they are neglected and left to run wild with no-one to prune the plants and pull out the weeds.

Two or more things are overlapping if one of them covers up some part of the other so you can't see the one behind. The two leaves in the picture are overlapping.