明朗|めいろうmeirou[0]heiban (flat)

1. na-adjectivecheerful; bright
   彼かれは明朗めいろう快活かいかつな青年せいねんだ。↗

   He is a cheerful young man.
2. na-adjectiveclear; clean; honest; fair

• Synonym朗らかほがらかNeutralNeutral. Cheerful personality and relaxed mood; also clear weather. Matches 「明朗」 for character, but only 「明朗」 covers open, transparent accounts or management.
• Synonym快活かいかつWrittenWritten/formal prose. Lively, spirited and openhearted. 「明朗」 leans toward cheerful and honest, and also describes fair, transparent institutions or accounting.
• Synonym陽気ようきNeutralNeutral. A lively, laughing, outgoing personality; also weather and season. 「明朗」 is more dignified and clear, and can describe open accounting.
• Related楽しげたのしげNeutralNeutral. Means simply looking happy — an outward impression. 「明朗」 refers to innate cheerfulness or to fairness and transparency.
• Related楽観的らっかんてきNeutralNeutral. Expecting things to turn out well and not worrying. 「明朗」 describes a cheerful character and need not imply any judgment about the future.
• Related上機嫌じょうきげんNeutralNeutral. In a very good mood — a temporary state. 「明朗」 is a lasting character trait.
• Related元気げんきNeutralNeutral. Full of energy and in good health. 「明朗」 points to a bright, cheerful character rather than vigor.
• RelatedにこやかNeutralNeutral. Read 「にこやか」. All smiles and amiable — describes an expression. 「明朗」 is a cheerful, upright character.
• Relatedご機嫌ごきげんCasualColloquial. A good mood or high spirits — a passing state. 「明朗」 is a stable character trait or a state of openness and fairness.
• Related晴れやかはれやかNeutralNeutral. A clear sky, or a refreshed mood and bright expression, as in 「晴れやかな顔」. 「明朗」 mostly describes character and business management.
• Antonym陰気いんきNeutralNeutral antonym. A gloomy personality or atmosphere — the opposite of the cheerfulness of 「明朗」.
• Antonym暗いくらいNeutralNeutral antonym. Dark in light, and also a gloomy character or mood; very common in daily speech. Opposite of the cheerfulness and clarity of 「明朗」.

For a cheerful personality in speech, use 「陽気」 or 「朗らか」. 「明朗」 is written prose: cheerful and honest, or open and transparent accounts and management. For a momentary good mood, use 「上機嫌」 or 「ご機嫌」.

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

1. 性格せいかくなどが明あかるく、朗ほがらかなこと。
2. 内容ないようが明示めいじされ、公正こうせいなこと。