1) Ballsy 2) Bold 3) Brave 4) Brazen 5) Game 1) Bold 2) Brave 3) Courageous 4) Daring 5) Far from fearful 6) Feisty 7) Full of daring 8) Full of determination 9) Full of moxie 10) Full of nerve 11) Having pluck 12) Plucky 13) Robust and uninhibited 14) Showing lots of spunk 15) Showing no fear 16) Showing spunk 17) Slang for gluttonous; greedy 
Gutsy is slang for gluttonous; greedy.
[adj] - marked by courage and determination in the face of difficulties or danger
British slang for full of courage, determination, or boldness, brave.
plucky adjective marked by courage and determination in the face of difficulties or danger; robust and uninhibited; `you have to admire her; it was a gutsy thing to do`; `the gutsy...intensity of her musical involvement`-Judith Crist; `a gutsy red wine`
having a great deal of courage or nerve: a gutsy lampooner of the administration. · robust, vigorous, or earthy; lusty: gutsy writing; a gutsy red wine.