1 : the moment when an airplane, helicopter, etc., leaves the ground and begins to fly [noncount] ▪ Please remain seated during takeoff. ▪ Air Force One, you're ready for takeoff. [count] ▪ perfect takeoffs and landings 2 [count] : the beginning of a jump
▪ All the high jumpers had flawless takeoffs. 3 [count] : a sudden increase in size, activity, or popularity
▪ the country's economic takeoff 4 [count] : a new or unusual way of making or doing something
▪ an interesting takeoff on traditional lasagna 5 [count] a : a performance in which someone copies the way another person speaks, moves, etc., in usually a humorous way
▪ He did a perfect takeoff [=imitation, impression] of our teacher.
b chiefly US : a piece of writing, music, etc., that imitates the style of someone or something else in an amusing way : parody
▪ They did a funny takeoff on/of a quiz show.