Definition of behavior
1a : the manner of conducting (see 2conduct 4) oneself <criminal behavior> <normal adolescent behavior>b : anything that an organism does involving action and response to stimulationc : the response of an individual, group, or species to its environment <They are studying the behavior of elephants in the wild.>
2 : the way in which someone conducts oneself or behaves (see behave 1) <We were grateful for the gracious behavior of our hostess.> <The children were rewarded for good behavior.> <Be on your best behavior.>; also : an instance of such behavior <unacceptable social behaviors>
3 : the way in which something functions or operates <They tested the behavior of various metals under heat and pressure.>
behavioralplay \-vyə-rəl\ adjective
behaviorallyplay \-rə-lē\ adverb
Examples of behavior in a sentence
I'm surprised by her bad behavior toward her friends.
Students will be rewarded for good behavior.
scientists studying the behavior of elephants
An acceptable social behavior in one country may be unacceptable in another country.
Doctors are trying to educate people about behaviors that can put them at increased risk for skin cancer.
The experiment tested the behavior of various metals under heat and pressure.
BEHAVIOR Defined for English Language Learners
Definition of behavior for English Language Learners
: the way a person or animal acts or behaves
: the way something (such as a machine or substance) moves, functions, or reacts
BEHAVIOR Defined for Kids
Definition of behavior for Students
1 : the manner in which a person acts <Students are rewarded for good behavior.>
2 : the whole activity of something and especially a living being <Scientists observed the elephant's behavior.>
Medical Definition of behavior
1: the manner of conducting oneself
2a: anything that an organism does involving action and response to stimulationb: the response of an individual, group, or species to its environment
behavioralor chiefly British
behaviorallyor chiefly British
Seen and Heard
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