rubious
ru·bi·ous
(ro͞o′bē-əs)adj.
Of the color of a ruby; red.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
rubious
(ˈruːbɪəs)adj
(Colours) literary of the colour ruby; dark red
[C17: from ruby + -ous]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ru•bi•ous
(ˈru bi əs)adj.
ruby-colored.
[1595–1605]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.