adjective, guts·i·er, guts·i·est. Informal.
- 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.
adjective gutsier or gutsiest slang
- gluttonous; greedy
- full of courage, determination, or boldness
“tough, plucky,” 1936, from guts + -y (2). Earlier it meant “greedy” (1803).