self-propulsion

noun

self-pro·​pul·​sion ˌself-prə-ˈpəl-shən How to pronounce self-propulsion (audio)
: propulsion by one's own power

Examples of self-propulsion 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.
An electric starter and self-propulsion make this Toro snow blower easy to use. — Ben Romans, Field & Stream, 4 Jan. 2024 The robot can also autonomously alternate between a rolling or self-propulsion mode depending on what’s best for navigating a particular environment. — Mack Degeurin, Popular Science, 9 Oct. 2024 The objects were unmanned, appeared to be moving by prevailing winds, not self-propulsion, and had no communications signals, according to national security officials. — Joey Garrison, USA TODAY, 16 Feb. 2023 Whether towing via an electric or ICE vehicle, the PG5's self-propulsion capability will increase efficiency and extend the mileage the vehicle is able to achieve per fill-up. — New Atlas, 13 Jan. 2026

Word History

First Known Use

1874, in the meaning defined above

Time Traveler
The first known use of self-propulsion was in 1874

Rhymes for self-propulsion

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Browse Nearby Words

self-propelling
self-propulsion
self-protection
See all Nearby Words

Cite this Entry

“Self-propulsion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/self-propulsion. Accessed 8 Jul. 2026.

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