IPA: //ʌnˈdɔːntəbl//
KK: /ʌnˈdɔːntəbl/
Not easily discouraged or defeated; showing determination and courage in the face of challenges.
Despite the many obstacles she faced, her undauntable spirit inspired everyone around her.
Undauntable → It is formed from "un-" (meaning not) and "daunt" (from Old French *danter*, meaning to intimidate or discourage) and the suffix "-able" (meaning capable of). The word "undauntable" means not capable of being intimidated or discouraged.
Think of someone who is 'not' ('un-') 'intimidated' ('daunt') and is 'capable' ('-able') of facing challenges without fear.