plural liftoffs
: the upward movement from the ground by a rocket, helicopter, or space vehicle as it begins flight
moments after liftoff
We have liftoff!
a series of successful liftoffs
Thousand of spectators gathered to watch the liftoff of the space shuttle.
Cite this Entry
“Liftoff.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/liftoff. Accessed 15 Apr. 2026.
Copy Citation
