carefree and happy and lighthearted; "was loved for her blithe spirit"; "a merry blithesome nature"; "her lighthearted nature"; "trilling songs with a lightsome heart"
lacking or showing a lack of due concern; "spoke with blithe ignorance of the true situation"
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"
being full of or promoting cheer; having or showing good spirits; "her cheerful nature"; "a cheerful greeting"; "a cheerful room"; "as cheerful as anyone confined to a hospital bed could be"