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[sang-gwin] /ˈsæŋ gwɪn/
cheerfully optimistic, hopeful, or confident:
a sanguine disposition; sanguine expectations.
reddish; ruddy:
a sanguine complexion.
(in old physiology) having blood as the predominating humor and consequently being ruddy-faced, cheerful, etc.
bloody; sanguinary.
blood-red; red.
Heraldry. a reddish-purple tincture.
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
sanguinely, adverb
sanguinity, sanguinness, noun
nonsanguine, adjective
nonsanguinely, adverb
nonsanguineness, noun
oversanguine, adjective
oversanguinely, adverb
oversanguineness, noun
presanguine, adjective
quasi-sanguine, adjective
quasi-sanguinely, adverb
supersanguine, adjective
supersanguinity, noun
unsanguine, adjective
unsanguinely, adverb
Can be confused
sanguinary, sanguine.
1. enthusiastic, buoyant, animated, lively, spirited.
1. morose. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for sanguinely
Historical Examples
  • “And that will be in France, ere long,” said Constance, sanguinely.

    The White Rose of Langley Emily Sarah Holt
  • He sanguinely looked upon his imprisonment as merely temporary.

    The Boy Broker Frank A. Munsey
  • Those who augured so sanguinely for its action and effect were disappointed.

    The Felon's Track Michael Doheny
  • But time, she sanguinely believed, would remove every obstacle.

    The Rivals of Acadia Harriet Vaughan Cheney
  • He thought the price too low, sanguinely hoped that it would re-ascend, still deferred his purpose, and lost his all.

    Old and New London Walter Thornbury
  • No harm would come to her, they sanguinely repeated, if the Queen were left to herself.

    Robin Tremayne Emily Sarah Holt
  • They were unaccompanied, however, by the popular summons and proffered sceptre he had sanguinely and confidently anticipated.

  • He has made his calculations on this basis, and sanguinely expects to make money rapidly.

    What I know of farming: Horace Greeley
  • The gentleman smiled, but soon warned Ingram, in a serious tone, not to depend so sanguinely on what he had not tried.

British Dictionary definitions for sanguinely


cheerful and confident; optimistic
(esp of the complexion) ruddy in appearance
an obsolete word for sanguinary (sense 2)
Also called red chalk. a red pencil containing ferric oxide, used in drawing
Derived Forms
sanguinely, adverb
sanguineness, sanguinity, noun
Word Origin
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
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Word Origin and History for sanguinely



"blood-red," late 14c. (late 12c. as a surname), from Old French sanguin (fem. sanguine), from Latin sanguineus "of blood," also "bloody, bloodthirsty," from sanguis (genitive sanguinis) "blood" (see sanguinary). Meaning "cheerful, hopeful, confident" first attested c.1500, because these qualities were thought in medieval physiology to spring from an excess of blood as one of the four humors. Also in Middle English as a noun, "type of red cloth" (early 14c.).

Online Etymology Dictionary, © 2010 Douglas Harper
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sanguinely in Medicine

sanguine san·guine (sāng'gwĭn)

  1. Of a healthy, reddish color; ruddy.

  2. Cheerfully confident; optimistic.

  3. Having blood as the dominant humor in terms of medieval physiology.

  4. Archaic 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.
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