From Longman Dictionary of Contemporary Englishmoxiemox‧ie /ˈmɒksi $ ˈmɑː-/ noun [uncountable] American English informal BRAVEcourage and determination He’s a small kid, but he has plenty of moxie.
Examples from the Corpus
moxie• She is utterly fearless and sure of herself, small in stature but large in moxie.• Campanis makes up for her small size with plenty of moxie.Origin moxie (1900-2000) Moxie, a trademark for a type of drink 