takeoff
n. C / Un. the moment when an airplane or spacecraft leaves the ground and starts to fly.
n. the act or process of an aircraft or spacecraft becoming airborne. Often used to describe the initial phase of flight or a sudden increase in success.
Please fasten your seatbelt before takeoff.
The pilot waited for clearance from the control tower before beginning the takeoff roll down the runway.
While the initial marketing campaign was slow, the product saw a rapid takeoff in sales once it was featured on a popular morning television show.
Deverbal from take off.
Usually written as one word 'takeoff' or hyphenated as 'take-off'; the phrasal verb form is always two words 'take off'.
The plane will takeoff at noon.The plane will take off at noon.Use the one-word 'takeoff' for the noun, but use the two-word phrasal verb 'take off' for the action.