behavior
UK /bɪˈheɪ.vjə/ · US /bɪˈheɪ.vjəɹ/ noun
Forms behaviors behaviour behavoure behavier behavor behavour
- noun (uncountable) Human conduct relative to social norms.
- noun (countable) An inappropriate or forbidden action. “When a patient has a behavior, document it in their records.”
- noun (countable, uncountable) The way or manner a living creature behaves or acts generally.
- noun (uncountable, informal) A state of probation about one's conduct. “He was on his best behavior when her family visited.”
- noun (countable, uncountable, biology, psychology) An observable response produced by an organism.
- noun (uncountable) The way a device or system operates.
Synonyms
comportment conduct demeanor deportment behaviour doings demeanour
Etymology
From Middle English behavoure, behaver, from behaven (modern behave), morphologically equivalent to behave + -ior. The suffix was adopted in imitation of havour (modern haviour, havior), an etymologically unrelated word that was corrupted from Anglo‐Norman Anglo-Norman aveir and Old French Old French avoir (“property, wealth”) through false association with the native English verb have. The French term derives ultimately from Latin Latin habēre (“to have, hold”).
Compare Scots havings (“behavior”), from have (“to behave”). Replaced Old English ġebǣru.
Webster’s 1913
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “behavior”, CC BY-SA 4.0. Details