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Entry

クスッと

kusutto

Describes the sound or action of a quiet, unintentional chuckle slipping out.

Meaning

Quick Meaning

This word illustrates the moment someone feels mildly amused and unintentionally lets out a very brief, quiet laugh. It emphasizes the spontaneity and softness of the laugh, often happening when one is trying not to laugh or is alone.

  • a brief, quiet chuckle
  • mildly amused

Sense Map

Quiet Chuckle

The action of letting a small laugh slip out inadvertently because of something mildly funny.

クスッと笑う

Feeling Amused

The internal feeling of amusement that prompts a slight, suppressed laugh.

思わずクスッとする

Usage Note

How to Use

  • クスッと + 笑う

    The most common pattern, meaning 'to chuckle quietly'.

  • クスッと + する

    Used to describe the state of being momentarily amused by something.

  • クスッと + 吹き出す

  • クスッと + くる

How to Use

Common Phrases

クスッと笑う

to chuckle quietly

思わずクスッとする

to unintentionally chuckle / find something amusing

クスッと吹き出す

to burst into a quiet chuckle

クスッとくる

to be struck as funny

Nuance

Context Nuance

Common ContextsNuanceUsage Note
Reading a book aloneneutralPerfect for describing the moment you read a witty line and let out a tiny laugh.
During a serious meetingnegativeCan imply a slight breach of decorum if a chuckle accidentally escapes in a solemn environment.

Similar Words

Comparison Table

Similar WordsWhen to UseNot the Same asMini Example

くすくす

くすくす / nearby

Used for continuous, quiet giggling, often when trying to suppress laughter over a period of time.クスッと is a single, brief instance of a chuckle, whereas くすくす implies ongoing giggling.くすくす笑い続ける

どっと

どっと / opposite

Used when loud laughter suddenly erupts, often from a large group of people.It is the opposite of the quiet, personal, and brief nature of クスッと.どっと笑いが起きる

Usage Note

Common Mistakes

Using クスッと to describe someone laughing out loud at a hilarious joke.

Use words like ゲラゲラ for loud, uncontrolled laughter.

Confusing it with a continuous smiling state.

クスッと is a brief auditory or physical reaction (a chuckle), not a lingering facial expression like ニコニコ (smiling).

Examples

Examples

彼の冗談を聞いて、思わずクスッと笑ってしまった。

彼(かれ)の冗談(じょうだん)を聞(き)いて、思(おも)わずクスッと笑(わら)ってしまった。

Hearing his joke, I unintentionally let out a little chuckle.

LiteralThe most basic usage describing a light laugh.

Source: Internal

本を読みながらクスッとする。

本(ほん)を読(よ)みながらクスッとする。

I chuckle while reading a book.

LiteralShows a moment of amusement while doing a solitary activity.

Source: Internal

静かな会議室で、誰かがクスッと吹き出した。

静(しず)かな会議室(かいぎしつ)で、誰(だれ)かがクスッと吹(ふ)き出(だ)した。

In the quiet meeting room, someone burst into a quiet chuckle.

VisualDescribes a laugh that couldn't be held back in a serious situation.

Source: Internal

昔の写真を整理していて、クスッとくる一枚を見つけた。

昔(むかし)の写真(しゃしん)を整理(せいり)していて、クスッとくる一枚(いちまい)を見(み)つけた。

While organizing old photos, I found one that made me chuckle.

Figurativeクスッとくる refers to a feeling of amusement that wells up from inside.

Source: Internal

猫の不思議な動きを見て、クスッと笑みがこぼれた。

猫(ねこ)の不思議(ふしぎ)な動(うご)きを見(み)て、クスッと笑(え)みがこぼれた。

Watching the cat's weird movements, a chuckle and smile spilled out.

VisualA small laugh that slips out naturally out of affection or cuteness.

Source: Internal

Similar Words

Questions

Does クスッと mean to laugh AT someone?

No, it generally describes innocent amusement rather than a mocking or derogatory laugh.

Can I use クスッと without と?

Yes, 'クスッ' can be used on its own, especially as an interjection or in casual writing, but adding 'と' is grammatically smoother when modifying a verb.

Is this an onomatopoeia?

Yes, it is a phonomime (giseigo) representing the actual soft sound of breath escaping during a chuckle.

Source Details

Entry ID
2756000
Source
JMdict_english
Revision
-
Review notes
No special notes
Active language
English
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