ə̇nˈdäməd.əbəl, -mətə- adjective
Etymology: Late Latin indomitabilis, from Latin in- in- (I) + domitare to tame + -abilis -able — more at daunt
: incapable of being subdued : intractable
indomitable courage
an indomitable will
• in·dom·i·ta·ble·ness -nə̇s noun -es
• in·dom·i·ta·bly -blē, -bli adverb