technical
: the force that moves something forward : the force that propels something
rocket/electric propulsion
Sailboats use wind as their source/means of propulsion.
a propulsion system
Cite this Entry
“Propulsion.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/propulsion. Accessed 25 Jun. 2026.
Copy Citation
