: 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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Working to uplift the lives of refugee children is consistent with liberal priorities, Christian mandates, and the American ethos (as similarly noted by The Baltimore Sun editorial board). Celene Viveros Garces, Baltimore Sun, 24 Mar. 2025 Their sunny ethos was put to a big test a few months ago when Grey passed away after experiencing a series of health issues. Cathy Applefeld Olson, Forbes, 23 Mar. 2025 Still, at its core, the ethos remains unchanged—celebrate nature, honor those who document it and remind the world what’s worth preserving. Scott Travers, Forbes, 22 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 22 Apr. 2025.

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