楽天的|らくてんてきrakutenteki[0]heiban (flat)

1. na-adjectiveoptimistic
   たとえ困こまっていても、マックはいつも楽天的らくてんてきだ。↗

   Even if he is in trouble, Mac is always optimistic.

• SynonymのんきNeutralEasygoing and unhurried, often with a negative shade of being too carefree; unlike 「楽天的」, it does not center on an optimistic view of life.
• Synonym楽観的らっかんてきNeutralVery close to 「楽天的」; estimates that things will turn out well, and is the usual choice when judging prospects or a situation's outlook.
• Related気楽きらくNeutralRelaxed and unburdened; stresses being comfortable in one's situation, and does not necessarily imply an optimistic personality.
• Related屈託のないくったくのないNeutralWholly free of worries, innocent and cheerful; mostly describes smiles or personality, stressing that no shadow weighs on the mind.
• Related安気あんきNeutralAt ease and free of cares; rare, with 「気楽」 the everyday word. Stresses peace of mind rather than an attitude toward life.
• Related屈託ないくったくないCasualColloquial variant of 「屈託のない」 with the same sense; mostly describes carefree smiles or personalities.
• Antonym悲観的ひかんてきNeutralAssumes things will go wrong; stands opposite 「楽天的」 in one's attitude toward how things turn out.
• Antonym厭世的えんせいてきWrittenWorld-weary and despairing of life; a written, formal term standing opposite 「楽天的」.

Use 「楽天的」 for a naturally optimistic outlook on life. Choose 「楽観的」 when judging prospects as favorable, 「呑気」 for an easygoing, unworried air (often mildly critical), and 「悲観的」 for the opposite attitude.

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

1. 人生じんせいを前向まえむきにとらえているさま。