[fawr-ti-tood, -tyood]


mental and emotional strength in facing difficulty, adversity, danger, or temptation courageously: Never once did her fortitude waver during that long illness.

Origin of fortitude

1350–1400; Middle English < Latin fortitūdō strength, firmness, courage, equivalent to forti(s) strong + -tūdō -tude

Synonyms for fortitude Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for fortitude



strength and firmness of mind; resolute endurance
Derived Formsfortitudinous, adjective

Word Origin for fortitude

C15: from Latin fortitūdō courage
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

Word Origin and History for fortitude

early 15c., from Middle French fortitude, from Latin fortitudo "strength, force, firmness," from fortis "strong, brave" (see fort).

Online Etymology Dictionary, © 2010 Douglas Harper