Common word› JLPT N3 › Freq. Frequency Top 5,000 Conjugation ニコニコする · noun or participle which takes 'suru'
Form Positive Negative Dictionary ニコニコする ニコニコしない Polite ニコニコします ニコニコしません Past polite ニコニコしました ニコニコしませんでした Past ニコニコした ニコニコしなかった Te-form ニコニコして ニコニコしないで Desire ニコニコしたい ニコニコしたくない Potential ニコニコできる ニコニコできない Passive ニコニコされる ニコニコされない Causative ニコニコさせる ニコニコさせない Causative passive ニコニコさせられる ニコニコさせられない Volitional ニコニコしよう Polite volitional ニコニコしましょう Imperative ニコニコしろ ニコニコするな Conditional ニコニコすれば ニコニコしなければ Tara conditional ニコニコしたら ニコニコしなかったら
Usage patterns 〈 人ひと 〉 がニコニコする for someone to smile cheerfully; to be all smiles
He's always smiling cheerfully.
ニコニコしながら 〈 動どう 詞し 〉 to do something while smiling cheerfully
My mother listened to my story with a warm smile.
ニコニコ 笑わら う to laugh/smile in a warm, beaming way
The baby is smiling and giggling happily.
Related words 笑顔 is a noun meaning 'a smiling face', while ニコニコ is an adverb/mimetic word describing the manner of smiling.
にこやか is a な -adjective describing a gentle, cheerful expression, while ニコニコ is a mimetic adverb often used with する or 笑う .
ニコニコ describes a continuous, beaming smile, while にっこり emphasizes a single, sudden, bright smile.
にこにこ is an adverb for a cheerful, beaming smile, whereas 微笑む describes a gentler, quieter smile.
にこにこ is an open, cheerful smile, while にやにや often implies a smirk or a grin with a hidden or suggestive meaning.
Opposites ニコニコ describes a bright, friendly smile, whereas ムスッと describes a sullen, sulky expression with no smile at all.
カンカン describes someone furious and glaring, while にこにこ describes someone smiling and pleasant, the opposite emotional display.
にこにこ describes a cheerful, smiling look, the opposite of the sullen, sulky look conveyed by ぶすっと .
にこにこ describes smiling and cheerful behavior, the opposite of the silent, gloomy manner of むっつり .
Don't confuse with ニコニコ describes a warm, friendly smile, while ニヤニヤ describes a smirk or sly grin, often with a negative connotation.
にこにこ describes a silent smiling expression, whereas くすくす specifically includes the sound of stifled laughter.
Written forms ニコニコ Usage 64%
Common katakana spelling for this mimetic word; often used in manga and casual writing.
にこにこ Usage 36%
Hiragana spelling is also very common and equally natural.
Etymology Onomatopoeic/mimetic word derived from the sound or appearance of a light, repeated smile. The exact origin is uncertain.
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