worried, troubled, or anxious. To feel worry or anxiety.

title at head of page or section. To hit a ball with your head in a game.

object for holding or transporting something. Objects that can be used to hold things.

Part divided from the other parts of something. To separate something into different parts.

To turn something on.

in space separating things. In the space that separates two objects.

container used as source of power. Portable devices that stores electricity.

made of plastic. synthetic material made from organic polymers.

(Of electric circuit) to spark because faulty.

exciting experience. do something exciting.

To begin to be; grow to be; develop into.

Feeling or action in response to something.

Made of various elements. distinct compound or substance.

To break laws or barriers (e.g. walls).

Dealing with official forms in the way required. perform mechanical or chemical operations on.