propulsion

noun

pro·​pul·​sion prə-ˈpəl-shən How to pronounce propulsion (audio)
1
: the action or process of propelling
2
: something that propels

Examples of propulsion in a Sentence

Sailboats use wind as their source of propulsion.
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.
To address safety concerns regarding these bikes, Glenview Police have recommended allowing their use, but requiring riders to be 16 years or older to operate the bike’s propulsion system. Jennifer Johnson, Chicago Tribune, 24 July 2025 Owner customization includes fabrics, finishes, and lighting, while the IPS Volvo 1200 propulsion system allows for intuitive handling, especially when the owner is also the boat’s captain. Julia Zaltzman, Robb Report, 23 July 2025 This is complemented by a 415 kWh battery pack that supports hybrid propulsion and energy buffering. David Blekhman, Forbes.com, 17 July 2025 To address this issue, our team has spent decades designing and developing a new propulsion system. Mojtaba Akhavan-Tafti, The Conversation, 11 July 2025 See All Example Sentences for propulsion

Word History

Etymology

borrowed from Medieval Latin prōpulsiōn-, prōpulsiō "action of driving out or urging on," derivative, with the suffix of verbal action -tiōn-, -tiō, of Latin propellere "to push or thrust forward, compel to go onward" (with -s- from past participle and verbal noun prōpulsus) — more at propel

First Known Use

1627, in the meaning defined at sense 1

Time Traveler
The first known use of propulsion was in 1627

Browse Nearby Words

Cite this Entry

“Propulsion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/propulsion. Accessed 29 Jul. 2025.

Kids Definition

propulsion

noun
pro·​pul·​sion prə-ˈpəl-shən How to pronounce propulsion (audio)
1
: the action or process of propelling
2
: something that propels
propulsive
-ˈpəl-siv
adjective

More from Merriam-Webster on propulsion

Last Updated: - Updated example sentences
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