variants or less commonly thrustor
: one that thrusts
especially : an engine (such as a jet engine) that develops thrust by expelling a jet of fluid or a stream of particles

Examples of thruster in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While Katalyst’s engineers were able to use the satellite’s thrusters to slow its unexpected spin and upload new flight software, the maneuver that reoriented LINK in space also depleted its propellant. — Ashley Strickland, CNN Money, 30 Sep. 2026 Onboard sensors continuously track wind, waves, currents, and ship orientation in real time, automatically firing thrusters to micro-adjust and keep the giant frozen in place. — Mrigakshi Dixit, Interesting Engineering, 29 Sep. 2026 These were exercised during CFT, and along with our expert flight control team, the manual control capabilities on Starliner were critical to achieving a safe docking despite numerous thruster failures. — Mike Wall, Space.com, 28 Sep. 2026 A number of changes have been made to Starliner’s design in the wake of Calypso, including alterations to seal designs, as well as the thruster system. — Adam Kovac, Scientific American, 28 Sep. 2026 See All Example Sentences for thruster

Word History

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of thruster was in 1597

Browse Nearby Words

Cite this Entry

“Thruster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thruster. Accessed 4 Oct. 2026.

Kids Definition

: one that thrusts
especially : an engine that produces thrust by discharging a jet of fluid or a stream of particles
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