adjective dec·o·rous \ˈde-kər-əs also di-ˈkr-əs\

: correct and polite in a particular situation

Full Definition of DECOROUS

:  marked by propriety and good taste :  correct <decorous conduct>
dec·o·rous·ly adverb
dec·o·rous·ness noun

Examples of DECOROUS

  1. <we were asked to be on our most decorous behavior at the formal event>
  2. <the oppressively decorous standards of a royal court>

Origin of DECOROUS

Latin decorus, from decor beauty, grace; akin to Latin decēre to be fitting — more at decent
First Known Use: 1653


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