Webster's 1913 Dictionary
LIGHT-HEARTED
LIGHT-HEARTED Light "-heart "ed, a.
Defn: Free from grief or anxiety; gay; cheerful; merry. -- Light "-heart `ed *ly, adv. -- Light "-heart "ed *ness, n.
Oxford Dictionary
light-hearted
light-hearted ▶adjective amusing and entertaining: a light-hearted speech. • (of a person ) cheerful or carefree. DERIVATIVES light-heartedly adverb, light-heartedness noun
Oxford Thesaurus
light-hearted
light-hearted adjective light-hearted banter | a light-hearted comedy: carefree, cheerful, cheery, happy, merry, glad, playful, jolly, jovial, joyful, jocund, gleeful, ebullient, high-spirited, lively, perky, blithe, bright, sunny, buoyant, vivacious, bubbly, effervescent, jaunty, bouncy, breezy; optimistic, positive; easy-going, free and easy, happy-go-lucky, in good spirits, untroubled, genial; entertaining, amusing, funny, comic, humorous, chucklesome, witty, mirthful, diverting; informal chirpy, upbeat; dated gay; archaic frolicsome. ANTONYMS miserable, gloomy, serious, solemn.
Sanseido Wisdom Dictionary
light-hearted
l ì ght-h é art ed /-ɪd /形容詞 1 〈話の内容 物事への取り組み方などが 〉ふざけた ; 肩のこらない ; 軽い .2 〈人が 〉 (気分が )明るい ; 悩みのない .~ly 副詞 ~ness 名詞