: 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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This egalitarian framework fosters deep emotional investment, democratic accountability, and long-term sustainability—principles that align seamlessly with the broader ethos of women’s sport. Priya Oberoi, Forbes.com, 27 Mar. 2025 Boulder will be a fine new home to continue to celebrate the creative spirit and ethos of the Sundance community. Kate Erbland, IndieWire, 27 Mar. 2025 Their whimsical forms appear throughout the elevator foyers, at the end of mirrored corridors, and along garden paths, quietly extending the building’s ethos from workplace to cultural environment. Jennifer Lee, Forbes, 26 Mar. 2025 Apparently that ethos goes only so far, because Zuckerberg’s company, now called Meta, is taking extreme measures to quash a corporate tell-all by Sarah Wynn-Williams, a former global public policy director at Facebook. Michelle Goldberg, The Mercury News, 21 Mar. 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 30 Mar. 2025.

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