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[ee-kwuh-nim-i-tee, ek-wuh-] /ˌi kwəˈnɪm ɪ ti, ˌɛk wə-/
mental or emotional stability or composure, especially under tension or strain; calmness; equilibrium.
Origin of equanimity
1600-10; < Latin aequanimitās, equivalent to aequ(us) even, plain, equal + anim(us) mind, spirit, feelings + -itās -ity
serenity, self-possession, aplomb.
panic, disquiet, discomposure, agitation. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for equanimity
Contemporary Examples
Historical Examples
  • His equanimity was almost winsome, and I saw that friendliness was going to be his tactics.

    The Cavalier George Washington Cable
  • I tried to contemplate the death-struggle with equanimity, but could not.

    Wilfrid Cumbermede George MacDonald
  • And many who have lived thus have attained to a lower kind of happiness or equanimity.

    Theaetetus Plato
  • But by evening the Admiral's equanimity was not quite so perfect.

    Captain Blood Rafael Sabatini
  • He was in spirits indeed, for he had borne even this encounter with equanimity.

    A Son of Hagar

    Sir Hall Caine
British Dictionary definitions for equanimity


/ˌiːkwəˈnɪmɪtɪ; ˌɛkwə-/
calmness of mind or temper; composure
Derived Forms
equanimous (ɪˈkwænɪməs) adjective
equanimously, adverb
Word Origin
C17: from Latin aequanimitās, from aequus even, equal + animus mind, spirit
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 equanimity

c.1600, "fairness, impartiality," from French équanimité, from Latin aequanimitatem (nominative aequanimitas) "evenness of mind, calmness," from aequus "even, level" (see equal (adj.)) + animus "mind, spirit" (see animus). Meaning "evenness of temper" in English is from 1610s.

Online Etymology Dictionary, © 2010 Douglas Harper
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