To punish in order to improve.

effort to achieve something. make effort to do.

Vehicle that can fly.

Acting in a socially aggressive manner; pushy. Toward the front in place; in front. attacking sports player. To send something to another address or person.

forceful or violent effort to get free of restraint. Strong efforts made to do some things difficult. To try very hard to do something difficult.

constituting number two in sequence. Short periods of time you wait for someone. formally support or endorse as necessary preliminary to adoption.

(Sky) being covered by clouds. cloud covering large part of sky. cover with clouds or shade.

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. Allowing you to pass between, or to.

action or process of flying. Trips by plane, helicopter etc.. shoot wildfowl in flight.

mechanical device for propelling boat or aircraft. Device with blades that move a plane or boat.

degree of highness or lowness of sound. Degrees of slope on e.g. a plane's wing. To set up a camp or tent for a length of time.

expressing annoyance or surprise. man or boy in relation to siblings.

study of properties of moving air and interaction between air and solid bodies moving through it. Study of the flow of gases, especially air.

To give energy to something, e.g. by electricity.