gutsy \ˈgətsē\adjective (usually-er/-est) Etymology:guts (plural of gut) (I) + -y 1.slang: having guts : courageous < kids thought they were gutsy to chuck a few stones through her windows — Ruth Park > 2.slang: forceful, passionate, or lusty in quality : forthright and provocative in its effect upon the physical especially sexual passions < a gutsy singer >