9 Grammatical Pitfalls


[dek-er-uh s, dih-kawr-uh s, -kohr-] /ˈdɛk ər əs, dɪˈkɔr əs, -ˈkoʊr-/
characterized by dignified propriety in conduct, manners, appearance, character, etc.
Origin of decorous
1655-65; < Latin decōrus seemly, becoming, derivative of decus; see decorate, -ous
Related forms
decorously, adverb
decorousness, noun
nondecorous, adjective
nondecorously, adverb
nondecorousness, noun
undecorous, adjective
undecorously, adverb
undecorousness, noun
proper, becoming.
undignified. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for decorous
  • However deadly the deed, the language is always decorous and impeccably mannered.
  • For all its wildness, its 9000-foot peaks and grizzly bears, Glacier is the most decorous of parks.
  • Such success followed his teaching that the whole aspect of the town became more moral and decorous in a marvellously short time.
  • The chairman raps his mahogany gavel: the committee rises with a decorous scraping of chairs and files out murmuring.
  • The language may be more decorous today, but the ideas are the same.
  • This most decorous of men could barely oblige; tears rolled down his face.
  • Current slang, out of which the more decorous language dredges a large part of its raw materials, is full of them.
  • But the revival has exacted a price: the decorous look of a residential street.
  • Four photographs all framed in decorous plain silver went to the anthracite.
  • The slowdown since then has been equally decorous.
British Dictionary definitions for decorous


characterized by propriety in manners, conduct, etc
Derived Forms
decorously, adverb
decorousness, noun
Word Origin
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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Word Origin and History for decorous

1660s, from Latin decorus "becoming, seemly, fitting, proper," from decus (genitive decoris) "ornament" (see decorate). Related: Decorously; decorousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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