Definition

1. Verb (intransitive):
   • To leave the ground and begin to fly. This is the specific action of an aircraft, rocket, or spacecraft becoming airborne at the start of its flight.

Usage

• The verb "lift off" is used to describe the moment a vehicle ascends from the Earth's surface into the air or space. It is typically used for rockets, space shuttles, and sometimes airplanes. It focuses on the initial vertical or near-vertical ascent.
• It is an intransitive verb; it does not take a direct object. You cannot "lift off something." The vehicle itself lifts off.
• The past tense and past participle form is lifted off.

Examples

• Verb:
  • The rocket is scheduled to lift off at noon.
  • We watched the space shuttle lift off from the launch pad.
  • The plane lifted off smoothly despite the strong crosswinds.

Advanced Usage

• "to lift off from": To specify the location from which the vehicle ascends.
  • The mission will lift off from the Kennedy Space Center.

Variants and Related Words

• Liftoff / Lift-off (noun): The act or moment of lifting off.
  • The liftoff was visible for miles around.
• Take off (verb): A more general synonym often used for airplanes. While similar, "take off" can imply the entire process of accelerating and becoming airborne, whereas "lift off" often emphasizes the initial vertical rise, especially for rockets.
• Launch (verb/noun): A broader term that includes the entire process of setting a vehicle in motion, including the lift-off phase.

Synonyms

• Take off: (For aircraft) To become airborne.
• Blast off: (Specifically for rockets) To leave the ground with powerful thrust.
• Ascend: To move upward (more general).

Phrasal Verbs

• Lift off is itself a phrasal verb. It does not commonly form other phrasal verb combinations.

Verb

1. depart from the ground
   • The plane took off two hours late