Decorous means polite , proper, and socially appropriate in behavior, appearance, or speech, especially in a formal setting.

Core meaning

  • Describes behavior or manners that follow accepted standards of good taste and propriety.
  • Often used for conduct that is calm, restrained, and respectful rather than loud or shocking.

Nuances and connotations

  • Suggests dignity and respectability, as in “decorous behavior at a ceremony.”
  • Typically appears in more formal or written English, not casual chat.

Word family

  • Adverb: decorously – “They spoke decorously during the meeting.”
  • Origin: from Latin decor (“beauty, grace, elegance”), also related to “decoration.”

Example usages

  • “The students were quiet and decorous throughout the graduation ceremony.”
  • “The judge expected decorous dress and behavior in the courtroom.”

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