departure

The act of leaving a place, or the time when a journey starts.

• Our departure is at noon.
• Heavy snow delayed the departure of three flights.
• She waved goodbye before his departure.

How to use it: departure from somewhere (Our departure from London was delayed.)

Similar words: leaving

Opposites: arrival

Common phrases: departure time, departure from somewhere, early departure

A change from the usual way of doing something or from an agreed plan.

• This meal is a departure from our usual cooking.
• Her latest novel marks a radical departure in style.
• Several departures from the agreed procedure caused confusion.

How to use it: a departure from something (The new design is a departure from our usual style.)

Similar words: deviation, change

Common phrases: departure from tradition, a radical departure, departure from something

The difference between the eastward positions of the two ends of a measured line or curve.

• The surveyor calculated the departure of the line.
• Each segment has a latitude and a departure.
• A negative departure indicates movement westward.

Common phrases: calculate departure, latitude and departure