1. (

• blithe

) lacking or showing a lack of due concern; "spoke with blithe ignorance of the true situation" ;

2. (

• blithe ,
• blithesome ,
• lighthearted ,
• lightsome ,
• light-hearted

) carefree and happy and lighthearted; "was loved for her blithe spirit"; "a merry blithesome nature"; "her lighthearted nature"; "trilling songs with a lightsome heart" ;