If you describe someone or something as jaunty, you mean that they are full of confidence and energy. a jaunty little man + jauntily jaun·ti·ly He walked jauntily into the cafe
having a cheerful, lively, and self-confident air; "looking chipper, like a man diverted by his own wit"- Frances G Patton; "life that is gay, brisk, and debonair"- H M Reynolds; "walked with a jaunty step"; "a jaunty optimist"