[ dih-kawr-uhm, -kohr- ]
/ dɪˈkɔr əm, -ˈkoʊr- /


dignified propriety of behavior, speech, dress, etc.
the quality or state of being decorous, or exhibiting such dignified propriety; orderliness; regularity.
Usually decorums. an observance or requirement of polite society.

Nearby words

  1. decorator,
  2. decorous,
  3. decorously,
  4. decorticate,
  5. decortication,
  6. decoupage,
  7. decouple,
  8. decoupling,
  9. decoy,
  10. decrease

Origin of decorum

1560–70; < Latin decōrum, noun use of neuter of decōrus decorous

dulce et decorum est pro patria mori

[ doo l-ke et de-koh-room est proh pah-tree-ah moh-ree; English duhl-see et di-kawr-uh m est proh pey-tree-uh mawr-ahy, mohr-ahy, -kohr-uh m ]
/ ˈdʊl kɛ ɛt dɛˈkoʊ rum ɛst proʊ ˈpɑ triˌɑ ˈmoʊ ri; English ˈdʌl si ɛt dɪˈkɔr əm ɛst proʊ ˈpeɪ tri ə ˈmɔr aɪ, ˈmoʊr aɪ, -ˈkoʊr əm /


sweet and fitting it is to die for one's country. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for decorum

British Dictionary definitions for decorum


/ (dɪˈkɔːrəm) /


propriety, esp in behaviour or conduct
a requirement of correct behaviour in polite society

Word Origin for decorum

C16: from Latin: propriety

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for decorum



1560s, from Latin decorum "that which is seemly," noun use of neuter of adjective decorus "fit, proper," from decor (see decor).

Online Etymology Dictionary, © 2010 Douglas Harper