ethos

noun

ˈē-ˌthäs 

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

also : ethic sense 1d

Did you know?

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”).  

Synonyms of ethos

• principles
• norms
• standards
• ethics
• morals
• morality

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

The spa uses Raeso, a New Zealand botanical brand built around native plant ingredients, which aligns with the same ethos. — Condé Nast, Condé Nast Traveler, 26 Sep. 2026

That’s an ethos wholly rejected by Trump, of course, but one that suits China, at least as rhetoric. — Ishaan Tharoor, New Yorker, 23 Sep. 2026

This is specifically what informs the ethos of Jason Scott & The High Heat, a band that has come to be known equally for their raw talent as their rancorous lyrics. — Chris Barilla, PEOPLE, 18 Sep. 2026

This ethos of creative destruction remained a guiding principle for De Kooning. — Sebastian Smee, The Atlantic, 16 Sep. 2026

Word History

Etymology

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

First Known Use

1842, in the meaning defined above

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