How to say "happy-go-lucky" in Japanese

• のんきJLPT N2approx.Common
  na-adjective, nounDescribes a person's temperament: easygoing, unhurried, and free of worry, often with a mild hint that they are rather too carefree for their own good. Usually written in kana alone.
  お前まえは当事者とうじしゃじゃないから、そんなのんきなこと言いってられるんだよ。↗

  You wouldn't be so casual about it if you were directly involved.
• 気楽きらくJLPT N1approx.Common
  na-adjective, nounCovers the free-and-easy sense: a relaxed state free of worry, strain, or burdens. It fits both a person's easygoing manner and an easy, carefree way of living.

Choose 「のんき」 for a person whose temperament is carefree and unhurried, sometimes too much so; choose 気楽 for a relaxed, worry-free state or manner, a life or situation free of cares and burdens.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• のんきeasy
• 太平楽たいへいらくhappy-go-lucky
• 飄逸ひょういつeasygoing
• 能天気のうてんきlaid-back
• 成り行き任せなりゆきまかせleaving something to chance
• 気楽きらくeasygoing