What does behave mean?
"Behave" is a versatile English verb that means to act or conduct oneself in a particular way. Most often it refers to how people act, especially in social settings: to behave well is to be polite, obedient, and considerate of others, while behaving badly implies rudeness, disruption, or a failure to follow expected norms. Parents and teachers frequently use it in the imperative form — "behave yourself!" — as a gentle warning or instruction. Beyond human conduct, behave also describes how things function: scientists say that a material or chemical "behaves" in a certain way under specific conditions, giving the word an important technical sense. The word entered English in the late fifteenth or early sixteenth century, combining the prefix "be-" with "have," from the Old English "habban," meaning to hold or possess. This origin gives the word a pleasing logic: to behave is, quite literally, to hold or carry oneself in a certain manner. It is a foundational term for discussions of manners, discipline, psychology, and scientific observation alike.
verbTo act in a specified way, especially toward others; to conduct oneself well, in accordance with accepted standards of politeness or discipline.
- (of a person) to act in a specified way; to conduct oneself, especially in terms of manners or discipline.
- (of a thing or situation) to function, react, or perform in a specified way under particular conditions.
"The children were told to behave themselves during the ceremony."
"The children were praised for behaving so well at the wedding."
"The alloy behaves predictably under extreme temperatures."
"Behave" and "have" come from the same ancient root — so every time you tell someone to behave, you are literally telling them how to 'hold' themselves.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of behave
"Behave" derives from Middle English, formed from the prefix "be-" plus "have" (Old English "habban"), originally conveying the idea of holding or conducting oneself in a certain way. It has been in use since around the fifteenth or early sixteenth century, gradually narrowing in everyday usage toward questions of good manners and discipline. It shares its root with "habit" and words like "inhibit" and "prohibit," which trace back through Latin "habere," meaning to have or hold.
Related word forms
How behave is actually used
"Behave" is common in both formal and everyday speech. In the imperative, especially when addressing children, it often appears as "behave yourself!" When used of objects or substances (as in science), it is neutral and descriptive rather than moral.
Easily confused with behave
Behave means to act or conduct oneself, while behoove means to be necessary or proper for someone to do something.