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Entry

ニマニマ

nimanima

A soft, secretive, or self-satisfied smile.

Meaning

Quick Meaning

A mimetic word describing a soft, secretive, or self-satisfied smile, often when someone is privately amused or remembering something pleasant.

  • smiling to oneself
  • secretly amused

Sense Map

Secretive or self-satisfied smile

Smiling to oneself while remembering something pleasant or feeling a sense of satisfaction.

ニマニマしながらスマホを見る。

Quiet amusement

Grinning softly because something is privately amusing or funny.

思い出し笑いでニマニマする。

Usage Note

How to Use

  • ニマニマする

    Used as a verb with suru to describe the action of smiling secretly to oneself.

  • ニマニマしながら

    Combines with nagara to show that someone is doing another action like reading or walking while smiling to themselves.

  • ニマニマと

    Used as an adverb modifying another verb, such as looking or watching with a self-satisfied smile.

How to Use

Common Phrases

一人でニマニマする

to smile to oneself alone

スマホを見てニマニマする

to smile to oneself while looking at a smartphone

ニマニマ笑う

to smile a secretive smile

ずっとニマニマしている

to be constantly grinning to oneself

Nuance

Context Nuance

Common ContextsNuanceUsage Note
Looking at a phoneneutralOften describes the face of someone texting a crush or reading a funny post.
DaydreamingneutralUsed when someone is lost in happy thoughts and unconsciously smiling.

Similar Words

Comparison Table

Similar WordsWhen to UseNot the Same asMini Example

にやにや

にやにや / similar

Use ニヤニヤ when the grin is smirking, creepy, suggestive, or mocking.ニマニマ is softer and usually just about personal happiness, whereas ニヤニヤ often implies unpleasantness or knowing something the other person does not.相手の失敗を見てニヤニヤする。

にっこり

にっこり / contrast

Use にっこり for a bright, friendly, and open smile directed at someone else.ニマニマ is private and directed inward, while にっこり is sociable and directed outward.にっこり挨拶する。

Usage Note

Common Mistakes

Using ニマニマ to describe a polite smile to a customer or boss.

ニマニマ is a private, secretive smile. For a polite or friendly smile, use にっこり or 微笑む.

Confusing it with ニヤニヤ.

While both mean smiling without laughing out loud, ニヤニヤ has a negative, creepy, or mocking nuance, whereas ニマニマ is usually just harmless personal amusement.

Examples

Examples

彼はスマホの画面を見ながら、一人でニマニマしている。

かれはスマホのがめんをみながら、ひとりでニマニマしている。

He is grinning to himself while looking at his smartphone screen.

VisualDescribes looking happy while texting or reading.

Source: Internal

昨日のデートを思い出して、思わずニマニマしてしまった。

きのうのデートをおもいだして、おもわずニマニマしてしまった。

I couldn't help but smile to myself remembering yesterday's date.

LiteralOften used when recalling a pleasant memory.

Source: Internal

彼女は何か良いことがあったのか、朝からずっとニマニマと笑っている。

かのじょはなにかよいことがあったのか、あさからずっとニマニマとわらっている。

She has been smiling to herself all morning, as if something good happened.

VisualExpresses a prolonged state of happiness.

Source: Internal

ニマニマするのを我慢しようとしたが、顔がにやけてしまった。

ニマニマするのをがまんしようとしたが、かおがにやけてしまった。

I tried to hold back my grin, but my face broke into a smile anyway.

LiteralTrying to suppress a happy expression but failing.

Source: Internal

テストで満点を取って、帰り道はニマニマしながら歩いた。

テストでまんてんをとって、かえりみちはニマニマしながらあるいた。

After getting a perfect score on the test, I walked home grinning to myself.

VisualWalking while feeling a deep sense of satisfaction.

Source: Internal

Similar Words

Questions

Is ニマニマ a negative word?

Not necessarily. It just describes a private, self-satisfied smile. However, because the person is smiling to themselves, onlookers might find it slightly weird.

What is the difference between ニマニマ and ニヤニヤ?

ニマニマ is usually harmless self-amusement. ニヤニヤ is a smirk, often creepy, suggestive, or mocking.

Can I use ニマニマ when asking someone to smile for a photo?

No, if you want someone to smile for a photo, say にっこりして or 笑って. ニマニマ is not a posed smile.

Source Details

Entry ID
2849997
Source
JMdict_english
Revision
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Review notes
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Active language
English
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