blithe

/ˈblīth/

Middle English, from Old English blīthe; akin to Old High German blīdi joyous

adjective

  1. lacking due thought or consideration : casual, heedless

  2. of a happy lighthearted character or disposition

blithe unconcern

merry blithe jocund jovial jolly mean showing high spirits or lightheartedness. merry suggests cheerful, joyous, uninhibited enjoyment of frolic or festivity. blithe suggests carefree, innocent, or even heedless gaiety.