demeanor
Americannoun
-
conduct; behavior; deportment.
-
facial appearance; mien.
Etymology
Origin of demeanor
First recorded in 1425–75, demeanor is from the late Middle English word demenure. See demean 2, -or 1
Explanation
Your demeanor is defined as being either your facial appearance or your behavior. When playing poker, don't let your demeanor give away how good your cards are. Demeanor in English today has evolved from Middle English and Old French to refer to the way one manages or presents oneself, and this definition applies to conduct as well as facial expressions. The way you present yourself often affects how others make judgments about you and therefore, you might want your demeanor to reflect the situation you're in. So, if you're at a birthday party, your demeanor should be happy and smiling!
Vocabulary lists containing demeanor
Grade 9, List 1
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1984
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The Hunger Games
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He’ll face off against the uninteresting demeanor of former Health and Human Services Secretary Xavier Becerra, who is taking 25%.
From The Wall Street Journal • Jun. 3, 2026
Their odd shape, combined with their ambling demeanor, inspires curiosity, as well as a lot of plush stuffed animals.
From Slate • May 27, 2026
A lot of younger guys, they’ve been finding the whole playoffs and nothing seems to change the demeanor or their approach.
From Los Angeles Times • May 13, 2026
Over 6 feet tall with an avuncular demeanor, he and his team have eaten dinner together every night at around 6 p.m. over the course of the landmark trial.
From The Wall Street Journal • May 10, 2026
His peaceful demeanor was helping her calm down a bit.
From "Fablehaven" by Brandon Mull
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
