Noun

The social, non-verbal behaviours (such as body language and facial expressions) that are characteristic of a person.

The man's demeanor made others suspicious of his intentions.

A confident demeanor is crucial for persuading others.

* {{quote-book, a. 1587, , Historie of England, section=Book III citation

, passage=At this present (saith he) certeine princes of Britaine, procuring by ambassadors and dutifull demeanors the amitie of the emperour Augustus, haue offered in the capitoll vnto the gods presents or gifts, and haue ordeined the whole Ile in a manner to be appertinent, proper, and familiar to the Romans.}}

* {{quote-book, 1993, editor=John J. Fay, chapter=Interrogation: The Kinesics Technique, , Encyclopedia of Security Management, isbn=0750696605 citation

, passage=Demeanors' that are apologetic and overly polite are inherently contradictory to ' demeanors that exhibit fear and anger.}}

Noun

(en noun)

an identifying characteristic, habit or trend

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The number one personality trait I hate is hypocrisy. Why can't you be consistent!?

(computing, programming) In object-oriented programming, an uninstantiable collection of methods that provides functionality to a class by using the class’s own interface.