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decorous

[ dek-er-uhs, dih-kawr-uhs, -kohr- ]
/ ˈdɛk ər əs, dɪˈkɔr əs, -ˈkoʊr- /
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adjective

characterized by dignified propriety in conduct, manners, appearance, character, etc.

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Origin of decorous

First recorded in 1655–65; from Latin decōrus “seemly, becoming,” derivative of decus (stem decor- ) “an ornament, splendor, honor,” akin to decēre “to be acceptable, be fitting” and docēre “to teach” (i.e., “to make fitting”) + adjective suffix -ōsus; see decent, docent,-ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for decorous

decorous
/ (ˈdɛkərəs) /

adjective

characterized by propriety in manners, conduct, etc
decorously, adverbdecorousness, noun
C17: from Latin decōrus, from decor elegance
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
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