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ルンルン (るんるん) Japanese meaning | Kotomora
Freq. Frequency Top 50,000 Conjugation Meanings 1
na-adjective, adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'
happy ; euphoric ; buoyant ; walking on air
colloquial
Colloquial mimetic word describing a light, cheerful, carefree mood. Often used in casual speech and writing, especially by younger speakers. Can be used adverbially with と or as a な-adjective.
The day before the date, he was walking on air.
Written forms ルンルン Usage 69%
Katakana spelling is common for this mimetic word; often used in casual, cheerful contexts.
るんるん Usage 31%
Hiragana spelling is also used, especially in softer or more personal writing.
Similar words ウキウキ Both describe a light, happy mood, but ウキウキ emphasizes excited anticipation or restlessness, while ルンルン is more about a carefree, dreamy happiness.
ワクワク ワクワク is stronger excitement or thrill, often about a future event. ルンルン is softer and more about a pleasant, floating feeling.
Etymology Mimetic word; the exact origin is uncertain, but it likely imitates a light, humming, or skipping feeling. Not derived from kanji.
