[ sang-gwin ]
/ ˈsæŋ gwɪn /



a red iron-oxide crayon used in making drawings.

Origin of sanguine

1275–1325; Middle English sanguyne a blood-red cloth < Old French sanguin < Latin sanguineus bloody, equivalent to sanguin-, stem of sanguis blood + -eus -eous

Related forms

Can be confused

sanguinary sanguine Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sanguine

British Dictionary definitions for sanguine


/ (ˈsæŋɡwɪn) /


cheerful and confident; optimistic
(esp of the complexion) ruddy in appearance
an obsolete word for sanguinary (def. 2)


Also called: red chalk a red pencil containing ferric oxide, used in drawing

Derived Forms

sanguinely, adverbsanguineness or sanguinity, noun

Word Origin for sanguine

C14: from Latin sanguineus bloody, from sanguis blood
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

Medicine definitions for sanguine


[ sănggwĭn ]


Of a healthy, reddish color; ruddy.
Cheerfully confident; optimistic.
Having blood as the dominant humor in terms of medieval physiology.
Having the temperament and ruddy complexion that was formerly thought to be characteristic of a person dominated by this humor; passionate.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.