: the distinguishing character, sentiment, moral nature, or guiding beliefs of a person, group, or institution

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In Greek, ēthos means “custom” or “character.” As originally used by Aristotle, it referred to a person’s character or personality, especially with respect to a balance between passion and caution. In English, ethos is used today to refer to the practices or values that distinguish one person, organization, or society from others. In rhetoric, ethos is often studied alongside pathos and logos as a technique to successfully persuade an audience. Related terms in the English language include ethics (“a branch of philosophy dealing with what is morally right or wrong”) and ethology (“a branch of knowledge dealing with human character and with its formation and evolution”).  

Examples of ethos in a Sentence

The company made environmental awareness part of its business ethos. They are working to keep a democratic ethos alive in the community.
Recent Examples on the Web
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Still, the changes breach the core ethos that helped WhatsApp gain popularity and once set it apart from the more overtly data-hungry design of other social platforms. Anisha Sircar, Forbes.com, 19 June 2025 In time, that ethos led to the formation of Street Transvestite Action Revolutionaries or STAR, a group that helped often abandoned youth find shelter. Raquel Willis, Time, 19 June 2025 The lodge was built with a zero-waste, zero-plastic ethos, and while there’s Wi-Fi, this is a place designed for deep connection with the land, not just the signal. Melanie Van Zyl, AFAR Media, 16 June 2025 Legislation like the Homestead Act of 1862 and the GI Bill of 1944 reflected the fundamental ethos that ownership ensures empowerment. David Faris, MSNBC Newsweek, 16 June 2025 See All Example Sentences for ethos

Word History

Etymology

New Latin, from Greek ēthos custom, character — more at sib

First Known Use

1842, in the meaning defined above

Time Traveler
The first known use of ethos was in 1842

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Cite this Entry

“Ethos.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethos. Accessed 25 Jun. 2025.

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