to begin a leap from a surface or a flight into the air; especially, (of a bird or an airplane) to leave the ground and begin to fly; as, flight CA123 took off on schedule at 3:00 PM.
To begin a period of accelerating growth or development; as, the economy took off in the third quarter.
To remove, as from the surface or outside; to remove from the top of anything; as, to take off a load; to take off one's hat, coat or other article of clothing; to take off a coat of paint from a surface.
To cut off; as, to take off the head, or a limb.
To destroy; as, to take off life.
To remove; to invalidate; as, to take off the force of an argument.
To swallow; as, to take off a glass of wine.
To imitate; to mimic; to personate.
To find place for; to dispose of; as, more scholars than preferments can take off.
To discount or deduct (from a price); the dealer took off twenty percent on remaining toys.
leave; "The family took off for Florida"
take away or remove; "Take that weight off me!"
depart from the ground; "The plane took off two hours late"
take time off from work; stop working temporarily
mimic or imitate, especially in an amusing or satirical manner; "This song takes off from a famous aria"
remove clothes; "take off your shirt--it's very hot in here"
get started or set in motion, used figuratively; "the project took a long time to get off the ground"
prove fatal; "The disease took off"