- manner of behaving or acting.
- Psychology, Animal Behavior.
- observable activity in a human or animal.
- the aggregate of responses to internal and external stimuli.
- a stereotyped, species-specific activity, as a courtship dance or startle reflex.
- Often behaviors. a behavior pattern.
- the action or reaction of any material under given circumstances: the behavior of tin under heat.
Also especially British, be·hav·iour.
Origin of behavior
SynonymsSee more synonyms for on Thesaurus.com
1. Behavior, conduct, deportment, comportment refer to one's actions before or toward others, especially on a particular occasion. Behavior refers to actions usually measured by commonly accepted standards: His behavior at the party was childish. Conduct refers to actions viewed collectively, especially as measured by an ideal standard: Conduct is judged according to principles of ethics. Deportment is behavior related to a code or to an arbitrary standard: Deportment is guided by rules of etiquette. The teacher gave Susan a mark of B in deportment. Comportment is behavior as viewed from the standpoint of one's management of one's own actions: His comportment was marked by a quiet assurance.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for behaviors
Sex, with its myths, confronts us with the complexity of our behaviors and our beliefs.Living Black & Gay in the ’50s
December 3, 2014
Risk in the other direction can rapidly be understood by the public and behaviors adjusted on the fly—because fear works.Ebola Might Be Sexually Transmitted
September 4, 2014
So we identified who that guy was, put a report in his file, kept him under observation for other behaviors.ISIS Leader: ‘See You in New York’
June 14, 2014
The difficulty is that behaviors that would indicate ADHD in a 9-year-old are completely normal in a 2-year-old.Why Giving Adderall to Toddlers Is So Completely, Utterly Wrong
May 19, 2014
These behaviors, while disturbing, never seemed to fit the traditional definitions of abuse as Henderson and others knew it.Digital Harassment Is the New Means of Domestic Abuse
February 10, 2014
Nina Balatka presents a sharp contrast between the behaviors of the Jewish and Christian characters.Nina Balatka
Word Origin and History for behaviors
Online Etymology Dictionary, © 2010 Douglas Harper
- The actions or reactions of persons or things in response to external or internal stimuli.
- The manner in which one behaves.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The actions displayed by an organism in response to its environment.
- One of these actions. Certain animal behaviors (such as nest building) result from instinct, while others (such as hunting) must be learned.
- The manner in which a physical system, such as a gas, subatomic particle, or ecosystem, acts or functions, especially under specified conditions.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Idioms and Phrases with behaviors
see on one's best behavior.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.