From Middle English blithe, from Old English blīþe (“blithe, joyous, cheerful, pleasant; gracious, well-disposed, friendly, kind; agreeable, willing; quiet, peaceful, gentle”), from Proto-Germanic *blīþiz (“mild, pleasing, friendly”), from Proto-Indo-European *bʰlī- (“light, pleasant, fine”), from Proto-Indo-European *bʰel- (“to shine”). Cognate Scots blithe (“joyous, cheerful, happy, well-pleased”), North Frisian blid (“happy, glad”), West Frisian bliid (“glad, happy, joyful, joyous”), Dutch blijde, blij (“blithe, happy, joyous, glad”), German dialectal blid, blied (“glad, happy, cheerful”), Danish blid (“gentle”), Swedish blid (“mild, gentle, bland”), Icelandic blíður (“gentle, kind, friendly, mild”). Related to bliss.
- (dated or literary) Happy, cheerful.
- Indifferent, careless, showing a lack of concern.
- She had a blithe disregard of cultures outside the United States.
- A howp ye haed a blithe birthday - I hope you had a happy birthday